Bump growl and mocha

Removes [growl](https://github.com/tj/node-growl). It's no longer used after updating ancestor dependency [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Removes `growl`

Updates `mocha` from 2.5.3 to 10.2.0
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mochajs/mocha/compare/v2.5.3...v10.2.0)

---
updated-dependencies:
- dependency-name: growl
  dependency-type: indirect
- dependency-name: mocha
  dependency-type: direct:development
...

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

package.json

@@ -9,7 +9,7 @@
     "chai": "^3.3.0",
     "happen": "~0.1.3",
     "lebab": "^3.2.1",
-    "mocha": "^2.3.3",
+    "mocha": "^10.2.0",
     "optimist": "~0.4.0",
     "prettier": "^2.8.8",
     "sinon": "^15.1.0",