Remove external network and update to Forgejo 9

docker-compose.yml

@@ -1,10 +1,6 @@
-networks:
-  ark:
-    external: false
-
 services:
   server:
-    image: codeberg.org/forgejo/forgejo:7
+    image: codeberg.org/forgejo/forgejo:9
     container_name: ark
     environment:
       - USER_UID=1000
@@ -15,8 +11,6 @@ services:
       - FORGEJO__database__USER=${DatabaseUsername}
       - FORGEJO__database__PASSWD=${DatabasePassword}
     restart: always
-    networks:
-      - ark
     volumes:
       - ./forgejo:/data
       - /etc/timezone:/etc/timezone:ro
@@ -35,7 +29,5 @@ services:
       - MYSQL_USER=${DatabaseUsername}
       - MYSQL_PASSWORD=${DatabasePassword}
       - MYSQL_DATABASE=${DatabaseName}
-    networks:
-      - ark
     volumes:
       - ./mysql:/var/lib/mysql