Update dependency gunicorn to v22 [SECURITY]

Author: renovate[bot]

requirements.txt

@@ -7,7 +7,7 @@ faker==21.0.0 ; python_version >= "3.10" and python_version < "4.0"
 flake8==6.1.0 ; python_version >= "3.10" and python_version < "4.0"
 flask-assets==2.1.0 ; python_version >= "3.10" and python_version < "4.0"
 flask==3.0.0 ; python_version >= "3.10" and python_version < "4.0"
-gunicorn==21.2.0 ; python_version >= "3.10" and python_version < "4.0"
+gunicorn==22.0.0 ; python_version >= "3.10" and python_version < "4.0"
 isort==5.13.2 ; python_version >= "3.10" and python_version < "4.0"
 itsdangerous==2.1.2 ; python_version >= "3.10" and python_version < "4.0"
 jinja2==3.1.2 ; python_version >= "3.10" and python_version < "4.0"