Bump ms and debug

Bumps [ms](https://github.com/vercel/ms) and [debug](https://github.com/debug-js/debug). These dependencies needed to be updated together.

Updates `ms` from 0.7.3 to 2.0.0
- [Release notes](https://github.com/vercel/ms/releases)
- [Commits](vercel/ms@0.7.3...2.0.0)

Updates `debug` from 2.6.6 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@2.6.6...2.6.9)

---
updated-dependencies:
- dependency-name: ms
  dependency-type: indirect
- dependency-name: debug
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>