add postgres deps in gogs role

roles/gogs/meta/main.yaml

@@ -1,7 +1,4 @@
 ---
 dependencies:
     - nginx
-    - nginx_proxy
-      server_name: "projects.lilik.it"
-      config_name: "gogs"
-      remote_host: "http://127.0.0.1:3000"
+    - { role: nginx_proxy, server_name: "gogs", config_name: "gogs", remote_host: "http://127.0.0.1:3000" }