Bump pillow from 11.0.0 to 11.1.0

Bumps [pillow](https://github.com/python-pillow/Pillow) from 11.0.0 to 11.1.0.
- [Release notes](https://github.com/python-pillow/Pillow/releases)
- [Changelog](https://github.com/python-pillow/Pillow/blob/main/CHANGES.rst)
- [Commits](python-pillow/Pillow@11.0.0...11.1.0)

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

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

requirements.txt

@@ -178,7 +178,7 @@ openid-connect==0.5.0
     # via django-auth-oidc
 packaging==24.2
     # via gunicorn
-pillow==11.0.0
+pillow==11.1.0
     # via
     #   -r requirements.in
     #   django-colorfield