Update dependency gunicorn to v22 [SECURITY]

Author: renovate[bot]

requirements.txt

@@ -15,7 +15,7 @@ flask-sqlalchemy==3.1.1 ; python_version >= "3.10" and python_version < "4.0"
 flask-wtf==1.2.1 ; python_version >= "3.10" and python_version < "4.0"
 flask==3.0.3 ; python_version >= "3.10" and python_version < "4.0"
 greenlet==3.0.3 ; python_version >= "3.10" and python_version < "4.0" and (platform_machine == "aarch64" or platform_machine == "ppc64le" or platform_machine == "x86_64" or platform_machine == "amd64" or platform_machine == "AMD64" or platform_machine == "win32" or platform_machine == "WIN32")
-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"
 idna==3.7 ; 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"