Bump serialize-javascript and mocha in /src/tests/data

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) to 6.0.2 and updates ancestor dependency [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `serialize-javascript` from 6.0.0 to 6.0.2
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v6.0.0...v6.0.2)

Updates `mocha` from 10.1.0 to 10.8.2
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.1.0...v10.8.2)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-version: 6.0.2
  dependency-type: indirect
- dependency-name: mocha
  dependency-version: 10.8.2
  dependency-type: direct:development
...

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

Author: dependabot[bot]

src/tests/data/package-lock.json

@@ -761,7 +761,7 @@
 				"@typescript-eslint/parser": "^5.29.0",
 				"chai": "4.3.6",
 				"eslint": "^8.18.0",
-				"mocha": "10.1.0",
+				"mocha": "10.8.2",
 				"typescript": "^4.7.4",
 				"vsce": "^2.9.2",
 				"vscode-extension-tester": "4.2.5",