postgresql_user priv is deprecated, needs to be migrated to postgresql_privs

[C0rn3j]

See https://docs.ansible.com/ansible/latest/collections/community/postgresql/postgresql_user_module.html#parameter-priv

[github-actions]

This issue has been marked 'stale' due to lack of recent activity. If there is no further activity, the issue will be closed in another 30 days. Thank you for your contribution!

Please read this blog post to see the reasons why I mark issues as stale.

[C0rn3j]

@geerlingguy please stop threatening to autoclose, just mark it stale and let it be.

[geerlingguy]

Easier to mark as a bug (because it will be once the deprecation is deprecated), that way stale bot won't eat it up.