Does GitHub have "system level" webhooks like gitlab? That's what I've done previously, so when anyone creates a repo, it's configured as the org expects.

This page[1] seems to mention organization level hooks that receive repository created events, if making your team edit a terraform/puppet/ansible/chef repo to simply create a repo seems overkill to you

[1]: https://docs.github.com/en/developers/webhooks-and-events/we...