Bump frozendict from 2.4.4 to 2.4.6

Bumps [frozendict](https://github.com/Marco-Sulla/python-frozendict) from 2.4.4 to 2.4.6.
- [Release notes](https://github.com/Marco-Sulla/python-frozendict/releases)
- [Commits](Marco-Sulla/python-frozendict@v2.4.4...v2.4.6)

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

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