Bump yargs-parser and mocha

Bumps [yargs-parser](https://github.com/yargs/yargs-parser) to 20.2.9 and updates ancestor dependency [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `yargs-parser` from 13.1.1 to 20.2.9
- [Release notes](https://github.com/yargs/yargs-parser/releases)
- [Changelog](https://github.com/yargs/yargs-parser/blob/main/CHANGELOG.md)
- [Commits](yargs/yargs-parser@v13.1.1...yargs-parser-v20.2.9)

Updates `mocha` from 7.0.1 to 7.2.0
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v7.0.1...v7.2.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -52,7 +52,7 @@
     "karma-cli": "^2.0.0",
     "karma-mocha": "^1.3.0",
     "karma-typescript": "^5.0.2",
-    "mocha": "~7.0.1",
+    "mocha": "~7.2.0",
     "peer-deps-externals-webpack-plugin": "^1.0.4",
     "rollup": "^2.56.2",
     "rollup-plugin-copy": "^3.3.0",