Bump typing-extensions from 4.6.3 to 4.7.0

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.6.3 to 4.7.0.
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](python/typing_extensions@4.6.3...4.7.0)

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

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

test_reqs.txt

@@ -2,7 +2,7 @@ django-treebeard==4.7
 Markdown>=2.6.11,<3
 coverage==7.2.7
 importlib-metadata<6.8  # for flake8
-typing_extensions==4.6.3
+typing_extensions==4.7.0
 zipp==3.15.0  # for flake8
 flake8==6.0.0
 django-jenkins==0.110.0