Bump nanoid and mocha

Bumps [nanoid](https://github.com/ai/nanoid) and [mocha](https://github.com/mochajs/mocha). These dependencies needed to be updated together.

Updates `nanoid` from 3.3.6 to 3.3.8
- [Release notes](https://github.com/ai/nanoid/releases)
- [Changelog](https://github.com/ai/nanoid/blob/main/CHANGELOG.md)
- [Commits](ai/nanoid@3.3.6...3.3.8)

Updates `mocha` from 10.2.0 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@v10.2.0...v10.8.2)

---
updated-dependencies:
- dependency-name: nanoid
  dependency-type: indirect
- dependency-name: mocha
  dependency-type: indirect
...

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