Bump gunicorn from 20.0.4 to 22.0.0 in /crime-2-withUI

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.0.4 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@20.0.4...22.0.0)

---
updated-dependencies:
- dependency-name: gunicorn
  dependency-type: direct:production
...

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

crime-2-withUI/requirements.txt

@@ -25,7 +25,7 @@ SQLAlchemy==1.3.18
 sqlparse==0.3.1
 Werkzeug==1.0.1
 WTForms==2.3.1
-gunicorn==20.0.4
+gunicorn==22.0.0
 psycopg2==2.8.4
 psycopg2-binary==2.8.5