Update postgres Docker tag to v14.5

Author: renovate[bot]

docker-compose.yml

@@ -7,7 +7,7 @@ services:
       - BOT_TOKEN=${BOT_TOKEN}
 
   db:
-    image: postgres:14.1-alpine
+    image: postgres:14.5-alpine
     restart: always
     environment:
       - POSTGRES_USER=postgres