Merge pull request #92 from janog-netcon/renovate/postgres-11.x

Update postgres Docker tag to v11.22

Author: proelbtn

docker-compose.yml

@@ -61,7 +61,7 @@ services:
     command: yarn run dev
 
   db:
-    image: postgres:11.3-alpine
+    image: postgres:11.22-alpine
     env_file: .env
     volumes:
       - 'pgdata:/var/lib/postgresql/data'