Bump typing-extensions from 4.8.0 to 4.12.2 (#990)

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.8.0 to 4.12.2.
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](python/typing_extensions@4.8.0...4.12.2)

---
updated-dependencies:
- dependency-name: typing-extensions
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -9,4 +9,4 @@ mypy==1.7.1
 pep257==0.7.0
 pre-commit==3.8.0
 sphinx==7.2.6
-typing-extensions==4.8.0
+typing-extensions==4.12.2