Self-hosted version: pd_dump failed

https://thin.dev/docs/self-hosting

after `docker compose up`

I'm trying to access web page on localhost:8000 and it fails

```
An error happened
An exception was raised while running the action
```

meanwhile in console:

```
thin_1 | pg_dump: error: server version: 15.0; pg_dump version: 14.3 (Debian 14.3-1.pgdg110+1)
thin_1 | pg_dump: error: aborting because of server version mismatch
thin_1 | readCreateProcess: pg_dump "-s" "--no-owner" "--no-acl" "postgres://postgres:examplepassword@db/postgres" (exit 1): failed
```