Bump mocha in /vscode_extension in the mocha group across 1 directory

Bumps the mocha group with 1 update in the /vscode_extension directory: [mocha](https://github.com/mochajs/mocha).


Updates `mocha` from 10.8.2 to 11.1.0
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.8.2...v11.1.0)

---
updated-dependencies:
- dependency-name: mocha
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: mocha
...

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