Bump typing-extensions from 4.11.0 to 4.12.2 in /server (#523)

Bumps [typing-extensions](https://github.com/python/typing_extensions) from 4.11.0 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@4.11.0...4.12.2)

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

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

server/requirements.txt

@@ -254,7 +254,7 @@ superdesk-core @ git+https://github.com/superdesk/superdesk-core.git@hotfix/2.6.
     # via -r requirements.in
 superdesk-planning @ git+https://github.com/superdesk/superdesk-planning.git@hotfix/2.6.3
     # via -r requirements.in
-typing-extensions==4.11.0
+typing-extensions==4.12.2
     # via
     #   jwcrypto
     #   superdesk-core