Bump debug, finalhandler and mocha

Bumps [debug](https://github.com/debug-js/debug) to 2.6.9 and updates ancestor dependencies [debug](https://github.com/debug-js/debug), [finalhandler](https://github.com/pillarjs/finalhandler) and [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `debug` from 2.2.0 to 2.6.9
- [Release notes](https://github.com/debug-js/debug/releases)
- [Changelog](https://github.com/debug-js/debug/blob/2.6.9/CHANGELOG.md)
- [Commits](debug-js/debug@2.2.0...2.6.9)

Updates `finalhandler` from 0.4.0 to 1.3.1
- [Release notes](https://github.com/pillarjs/finalhandler/releases)
- [Changelog](https://github.com/pillarjs/finalhandler/blob/master/HISTORY.md)
- [Commits](pillarjs/finalhandler@v0.4.0...v1.3.1)

Updates `mocha` from 2.5.3 to 10.7.3
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v2.5.3...v10.7.3)

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

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