[Postgres] Bump to 13.5

CERTFR-2021-AVI-867

gitea/docker-compose.yml

@@ -38,7 +38,7 @@ services:
       - "traefik.http.routers.git-https.tls.certresolver=myhttpchallenge"
 
   db:
-    image: postgres:13.4
+    image: postgres:13.5
     env_file: ./secrets/db.secrets
     restart: unless-stopped
     command: ["postgres", "-c", "log_statement=all", "-c", "logging_collector=on"]