Bump json5, jest and jest-cli in /generator-exercise

Bumps [json5](https://github.com/json5/json5) to 2.2.3 and updates ancestor dependencies [json5](https://github.com/json5/json5), [jest](https://github.com/facebook/jest/tree/HEAD/packages/jest) and [jest-cli](https://github.com/facebook/jest/tree/HEAD/packages/jest-cli). These dependencies need to be updated together.


Updates `json5` from 0.5.1 to 2.2.3
- [Release notes](https://github.com/json5/json5/releases)
- [Changelog](https://github.com/json5/json5/blob/main/CHANGELOG.md)
- [Commits](https://github.com/json5/json5/compare/v0.5.1...v2.2.3)

Updates `jest` from 19.0.2 to 29.3.1
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v29.3.1/packages/jest)

Updates `jest-cli` from 20.0.4 to 29.3.1
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v29.3.1/packages/jest-cli)

---
updated-dependencies:
- dependency-name: json5
  dependency-type: indirect
- dependency-name: jest
  dependency-type: direct:development
- dependency-name: jest-cli
  dependency-type: direct:development
...

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

generator-exercise/package.json

@@ -22,8 +22,8 @@
     "nsp": "^2.6.3",
     "eslint": "^4.1.0",
     "eslint-config-xo-space": "^0.16.0",
-    "jest": "^19.0.2",
-    "jest-cli": "^20.0.0"
+    "jest": "^29.3.1",
+    "jest-cli": "^29.3.1"
   },
   "dependencies": {
     "chalk": "^1.1.3",