Merge pull request 'Update ghcr.io/gotify/server Docker tag to v2.9.0' (#189) from renovate/ghcr.io-gotify-server-2.x into main

Reviewed-on: #189

gotify/docker-compose.yml

@@ -1,7 +1,7 @@
 services:
   gotify:
     container_name: gotify
-    image: ghcr.io/gotify/server:2.8.0@sha256:4702c392ca723d5016fc938c8b22572c3509efca812bdc5221d25158ba0201e3
+    image: ghcr.io/gotify/server:2.9.0@sha256:4df8c1bb23646b8d8b308e881866474bfae4a9a5b3980e5047f87eb84017e8a0
     restart: unless-stopped
     environment:
       - TZ=${TZ}