chore(deps): bump gunicorn from 21.2.0 to 22.0.0 in /rootfs

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 21.2.0 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@21.2.0...22.0.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-type: direct:production
...

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

Author: dependabot[bot]

rootfs/requirements.txt

@@ -8,7 +8,7 @@ django-cors-headers==4.3.1
 django-guardian==2.4.0
 djangorestframework==3.15.1
 docker==7.0.0
-gunicorn==21.2.0
+gunicorn==22.0.0
 uvicorn[standard]==0.29.0
 asgiref==3.8.0
 idna==3.7