Bump gunicorn from 22.0.0 to 23.0.0 in /results-processor (#3937)

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 22.0.0 to 23.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@22.0.0...23.0.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

results-processor/requirements.txt

@@ -55,7 +55,7 @@ grpcio==1.53.2
     #   grpcio-status
 grpcio-status==1.44.0
     # via google-api-core
-gunicorn==22.0.0
+gunicorn==23.0.0
     # via -r requirements.in
 idna==3.7
     # via requests