Bump importlib-metadata from 4.7.1 to 4.8.1 (#541)

Bumps [importlib-metadata](https://github.com/python/importlib_metadata) from 4.7.1 to 4.8.1.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/CHANGES.rst)
- [Commits](python/importlib_metadata@v4.7.1...v4.8.1)

---
updated-dependencies:
- dependency-name: importlib-metadata
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>