chore(deps-dev): bump the development-dependencies group with 2 updates

Bumps the development-dependencies group with 2 updates: [coverage](https://github.com/nedbat/coveragepy) and [moto](https://github.com/getmoto/moto).


Updates `coverage` from 7.6.4 to 7.6.7
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](nedbat/coveragepy@7.6.4...7.6.7)

Updates `moto` from 5.0.20 to 5.0.21
- [Release notes](https://github.com/getmoto/moto/releases)
- [Changelog](https://github.com/getmoto/moto/blob/master/CHANGELOG.md)
- [Commits](getmoto/moto@5.0.20...5.0.21)

---
updated-dependencies:
- dependency-name: coverage
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: moto
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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