Docker: Update Postgres to v13

Turbo87 · Turbo87 · commit cf266cfeff6d · 2021-10-07T16:09:54.000+02:00
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -26,7 +26,7 @@ x-backend: &backend
 
 services:
   postgres:
-    image: postgres:9.6
+    image: postgres:13
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: password
