Bump gunicorn from 21.2.0 to 22.0.0

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] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -14,7 +14,7 @@ packages = [
 [tool.poetry.dependencies]
 python = "^3.11"
 Django = "^5.0.3"
-gunicorn = "^21.2.0"
+gunicorn = "^22.0.0"
 django-alive = "^1.2.1"
 chess = "^1.9.3"
 django-htmx = "^1.13.0"