build(deps): 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] <support@github.com>

requirements.txt

@@ -42,7 +42,7 @@ googleapis-common-protos==1.63.0
 grpc-google-iam-v1==0.13.0
 grpcio==1.62.1
 grpcio-status==1.62.1
-gunicorn==21.2.0
+gunicorn==22.0.0
 h11==0.14.0
 html5lib==1.1
 humanize==4.9.0