Bump gunicorn from 22.0.0 to 23.0.0 in /requirements

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
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/base.txt

@@ -2,5 +2,5 @@
 dnspython==2.6.1
 Flask-Caching==1.9.0
 Flask-Script==2.0.5
-gunicorn==22.0.0
+gunicorn==23.0.0
 requests==2.32.0