♻️ refactor(docker): remove versioning in docker compose file as it's deprecated

This will remove the warning message `the attribute `version` is obsolete, it will be ignored, please remove it to avoid potential confusion`.

Reference: https://docs.docker.com/reference/compose-file/version-and-name/#version-top-level-element-obsolete

docker-compose.yml

@@ -1,5 +1,4 @@
 ---
-version: '3'
 services:
   umami:
     image: ghcr.io/umami-software/umami:postgresql-latest