fix: remove deprecated compose version tag

examples/fail2ban/docker-compose.yml

@@ -1,18 +1,17 @@
-version: "3"
-
 services:
+
   fail2ban:
+    image: crazymax/fail2ban:latest
     container_name: fail2ban
+    restart: unless-stopped
+    network_mode: host
     cap_add:
       - NET_ADMIN
       - NET_RAW
     environment:
       - TZ=Europe/Berlin
       - F2B_DB_PURGE_AGE=14d
-    image: crazymax/fail2ban:latest
-    network_mode: host
-    restart: unless-stopped
     volumes:
       - ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/fail2Ban/data:/data
       - /path/to/my/logs/to/monitor:/var/log
-      #- ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/traefik/logs:/var/log/traefik
+      #- ${DOCKER_VOLUME_STORAGE:-/mnt/docker-volumes}/traefik/logs:/var/log/traefik