build(deps): Bump gunicorn from 21.2.0 to 22.0.0 (#347)

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>

requirements.txt

@@ -9,7 +9,7 @@ elastic-apm==6.22.0
 elasticsearch==8.13.0
 elasticsearch-dsl==8.13.0
 elastic-transport==8.13.0
-gunicorn==21.2.0
+gunicorn==22.0.0
 honcho==1.1.0
 kombu==5.3.7
 psycopg2-binary==2.9.9