build(deps): bump typing-extensions from 4.0.1 to 4.12.2

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.0.1 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@4.0.1...4.12.2)

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

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

constraints-oldest.txt

@@ -20,5 +20,5 @@ ruamel.yaml==0.17.21
 toml==0.10.0
 twine==2.0.0
 types-toml==0.10.4
-typing_extensions==4.0.1
+typing_extensions==4.12.2
 wheel==0.21.0