Update commitgo/gitea-ee Docker tag to v27

Author: renovate[bot]

apps/gitea/26.4.8/docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   gitea:
-    image: commitgo/gitea-ee:26.4.8
+    image: commitgo/gitea-ee:27.3.0
     container_name: ${CONTAINER_NAME}
     environment:
       - USER_UID=1000