Merge branch 'renovate/ghcr.io-freifunkmuc-wg-access-server-0.x' into 'master'

Update ghcr.io/freifunkmuc/wg-access-server Docker tag to v0.8.4

See merge request !24

webserver/docker_vpnserver/templates/docker-compose.yml

@@ -3,7 +3,7 @@ version: "3"
 services:
 
   app:
-    image: ghcr.io/freifunkmuc/wg-access-server:v0.8.2
+    image: ghcr.io/freifunkmuc/wg-access-server:v0.8.4
     restart: always
     cap_add:
       - NET_ADMIN