Merge branch 'renovate/templates-matthiasluedtke-iconserver-3.x' into 'master'

Update matthiasluedtke/iconserver Docker tag to v3.16.0

See merge request !89

webserver/docker_workadventure/templates/docker-compose.yml

@@ -79,7 +79,7 @@ services:
 
 
   icon:
-    image: matthiasluedtke/iconserver:v3.13.0
+    image: matthiasluedtke/iconserver:v3.16.0
     restart: always
     labels:
       - traefik.enable=true