Bump importlib-metadata from 4.11.3 to 4.12.0 (#82)

Bumps [importlib-metadata](https://github.com/python/importlib_metadata) from 4.11.3 to 4.12.0.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/CHANGES.rst)
- [Commits](python/importlib_metadata@v4.11.3...v4.12.0)

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

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

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

docs/requirements.txt

@@ -1,5 +1,5 @@
 Sphinx==4.5.0
-importlib-metadata==4.11.3
+importlib-metadata==4.12.0
 myst-parser==0.18.0
 readthedocs-sphinx-search==0.1.2
 sphinx-book-theme==0.3.2