Build: Bump cachetools from 5.5.0 to 5.5.1

Bumps [cachetools](https://github.com/tkem/cachetools) from 5.5.0 to 5.5.1.
- [Changelog](https://github.com/tkem/cachetools/blob/master/CHANGELOG.rst)
- [Commits](tkem/cachetools@v5.5.0...v5.5.1)

---
updated-dependencies:
- dependency-name: cachetools
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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