Bump handlebars from 4.0.10 to 4.5.3 in /generator-exercise

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.0.10 to 4.5.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.0.10...v4.5.3)

Signed-off-by: dependabot[bot] <support@github.com>

generator-exercise/package-lock.json

@@ -66,23 +66,12 @@
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       "dev": true
     },
-    "align-text": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
-      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "kind-of": "^3.0.2",
-        "longest": "^1.0.1",
-        "repeat-string": "^1.5.2"
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     "amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "ansi-escapes": {
       "version": "1.4.0",
@@ -493,13 +482,6 @@
       "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=",
       "dev": true
     },
-    "camelcase": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
-      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
-      "dev": true,
-      "optional": true
-    },
     "capture-stack-trace": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/capture-stack-trace/-/capture-stack-trace-1.0.0.tgz",
@@ -511,17 +493,6 @@
       "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
       "dev": true
     },
-    "center-align": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
-      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "align-text": "^0.1.3",
-        "lazy-cache": "^1.0.3"
-      }
-    },
     "chalk": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
@@ -580,27 +551,6 @@
       "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.1.0.tgz",
       "integrity": "sha1-sjTKIJsp72b8UY2bmNWEewDt8Ao="
     },
-    "cliui": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
-      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "center-align": "^0.1.1",
-        "right-align": "^0.1.1",
-        "wordwrap": "0.0.2"
-      },
-      "dependencies": {
-        "wordwrap": {
-          "version": "0.0.2",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
-          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
-          "dev": true,
-          "optional": true
-        }
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-    },
     "clone": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/clone/-/clone-2.1.1.tgz",
@@ -664,6 +614,13 @@
         "delayed-stream": "~1.0.0"
       }
     },
+    "commander": {
+      "version": "2.20.3",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+      "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+      "dev": true,
+      "optional": true
+    },
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -1636,30 +1593,32 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.0.10",
+      "version": "4.5.3",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.10.tgz",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.3.tgz",
-      "integrity": "sha1-PTDHGLCaPZbyPqTMH0A8TTup/08=",
+      "integrity": "sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==",
       "dev": true,
       "requires": {
-        "async": "^1.4.0",
+        "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
-        "source-map": "^0.4.4",
+        "source-map": "^0.6.1",
-        "uglify-js": "^2.6"
+        "uglify-js": "^3.1.4"
       },
       "dependencies": {
-        "async": {
+        "source-map": {
-          "version": "1.5.2",
+          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         },
-        "source-map": {
+        "uglify-js": {
-          "version": "0.4.4",
+          "version": "3.7.0",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.0.tgz",
-          "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
+          "integrity": "sha512-PC/ee458NEMITe1OufAjal65i6lB58R1HWMRcxwvdz1UopW0DYqlRL3xdu3IcTvTXsB02CRHykidkTRL+A3hQA==",
           "dev": true,
+          "optional": true,
           "requires": {
-            "amdefine": ">=0.0.4"
+            "commander": "~2.20.3",
+            "source-map": "~0.6.1"
           }
         }
       }
@@ -3045,13 +3004,6 @@
         "is-buffer": "^1.1.5"
       }
     },
-    "lazy-cache": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
-      "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4=",
-      "dev": true,
-      "optional": true
-    },
     "lcid": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
@@ -3116,13 +3068,6 @@
       "integrity": "sha1-OpoCg0UqR9dDnnJzG54H1zhuSfY=",
       "dev": true
     },
-    "longest": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
-      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
-      "dev": true,
-      "optional": true
-    },
     "loose-envify": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.3.1.tgz",
@@ -3318,6 +3263,12 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "neo-async": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.1.tgz",
+      "integrity": "sha512-iyam8fBuCUpWeKPGpaNMetEocMt364qkCsfL9JuhjXX6dRnguRVOfk2GZaDpPjcOKiiXCPINZC1GczQ7iTq3Zw==",
+      "dev": true
+    },
     "node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -4229,16 +4180,6 @@
         "onetime": "^1.0.0"
       }
     },
-    "right-align": {
-      "version": "0.1.3",
-      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
-      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "align-text": "^0.1.1"
-      }
-    },
     "rimraf": {
       "version": "2.6.1",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.1.tgz",
@@ -4857,40 +4798,6 @@
       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
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-    "uglify-js": {
-      "version": "2.8.29",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
-      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
-      "dev": true,
-      "optional": true,
-      "requires": {
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-        "uglify-to-browserify": "~1.0.0",
-        "yargs": "~3.10.0"
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-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
-          "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "camelcase": "^1.0.2",
-            "cliui": "^2.1.0",
-            "decamelize": "^1.0.0",
-            "window-size": "0.1.0"
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-    "uglify-to-browserify": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
-      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
-      "dev": true,
-      "optional": true
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     "untildify": {
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       "resolved": "https://registry.npmjs.org/untildify/-/untildify-2.1.0.tgz",
@@ -5090,13 +4997,6 @@
       "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
       "dev": true
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-    "window-size": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
-      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
-      "dev": true,
-      "optional": true
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     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",