Bump gunicorn from 21.2.0 to 22.0.0 (#103)

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
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

poetry.lock

@@ -20,7 +20,7 @@ boto3 = "1.34.39"
 django = "5.0.2"
 wagtail = "6.0.1"
 wagtail-bakery = "0.8.0"
-gunicorn = "21.2.0"
+gunicorn = "22.0.0"
 django-heroku = "0.3.1"
 pyjade = "4.0.0"
 django-assets = "2.0"