Bump typing-extensions from 4.8.0 to 4.9.0

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/python/typing_extensions/releases)
- [Changelog](https://github.com/python/typing_extensions/blob/main/CHANGELOG.md)
- [Commits](python/typing_extensions@4.8.0...4.9.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -10,6 +10,6 @@ Jinja2==3.1.2
 MarkupSafe==2.1.3
 sniffio==1.3.0
 typer==0.9.0
-typing_extensions==4.8.0
+typing_extensions==4.9.0
 watchfiles==0.21.0
 Werkzeug==3.0.1