Bump shelljs and jshint

Removes [shelljs](https://github.com/shelljs/shelljs). It's no longer used after updating ancestor dependency [jshint](https://github.com/jshint/jshint). These dependencies need to be updated together.


Removes `shelljs`

Updates `jshint` from 2.12.0 to 2.13.6
- [Release notes](https://github.com/jshint/jshint/releases)
- [Changelog](https://github.com/jshint/jshint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/jshint/jshint/compare/2.12.0...2.13.6)

---
updated-dependencies:
- dependency-name: shelljs
  dependency-type: indirect
- dependency-name: jshint
  dependency-type: direct:development
...

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

package.json

@@ -171,7 +171,7 @@
     "@babel/parser": "7.15.8",
     "@babel/traverse": "7.15.4",
     "@playwright/test": "~1.32.2",
-    "jshint": "~2.12.0",
+    "jshint": "~2.13.6",
     "mocha": "~8.2.0",
     "requirejs": "2.3.2",
     "safe-regex": "^2.1.1",