⬆️ Bump gunicorn from 20.1.0 to 22.0.0

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.1.0 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@20.1.0...22.0.0)

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

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

requirements.txt

@@ -18,7 +18,7 @@ django==3.1.14
     # via -r requirements.in
 flake8==7.1.1
     # via -r requirements.in
-gunicorn==20.1.0
+gunicorn==22.0.0
     # via -r requirements.in
 iniconfig==1.1.1
     # via pytest
@@ -31,6 +31,7 @@ mypy-extensions==0.4.3
 packaging==24.2
     # via
     #   black
+    #   gunicorn
     #   pytest
 pathspec==0.10.1
     # via black
@@ -64,6 +65,3 @@ tomli==2.0.1
     #   pytest
 typing-extensions==4.12.2
     # via black
-
-# The following packages are considered to be unsafe in a requirements file:
-# setuptools