chore(deps): update Gunicorn to version 22.0.0

Author: amerkurev

README.md

@@ -22,7 +22,7 @@ The technology stack used includes:
 - [`Python`](https://www.python.org) ver. 3.11
 - [`Django`](https://www.djangoproject.com) ver. 4.2
 - [`PostgreSQL`](https://www.postgresql.org) ver. 15
-- [`Gunicorn`](https://gunicorn.org) ver. 21.2
+- [`Gunicorn`](https://gunicorn.org) ver. 22.0
 - [`Traefik`](https://traefik.io/traefik/) ver. 2.9
 - [`Caddy`](https://caddyserver.com) ver. 2.7 *(instead of Traefik if you wish)*
 - [`Docker`](https://docs.docker.com/get-docker/) and [`Docker Compose`](https://docs.docker.com/compose/)

requirements.txt

@@ -1,6 +1,6 @@
 coverage==7.4.0  # for testing
 django==4.2.13
-gunicorn==21.2.0
+gunicorn==22.0.0
 psycopg2-binary==2.9.9
 pytest-django==4.7.0  # for testing
 pytest==7.4.4  # for testing