Bump typing-extensions from 4.9.0 to 4.12.2

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.9.0 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@4.9.0...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>

{{ cookiecutter.project_slug }}/dev-requirements.txt

@@ -64,7 +64,7 @@ pyyaml==6.0.1
     # via pre-commit
 ruff==0.5.6
     # via datahub (pyproject.toml)
-typing-extensions==4.9.0
+typing-extensions==4.12.2
     # via mypy
 virtualenv==20.26.3
     # via pre-commit