Separated review requests into a github action (```release-note:NEW RESOURCE Added support for X feature.

[aUsABuisnessman]

Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

[google-cla]

Thanks for your pull request! It looks like this may be your first contribution to a Google open source project. Before we can look at your pull request, you'll need to sign a Contributor License Agreement (CLA).

View this failed invocation of the CLA check for more information.

For the most up to date status, view the checks section at the bottom of the pull request.

[github-actions]

Hello! I am a robot. Tests will require approval from a repository maintainer to run. Googlers: see go/terraform-auto-test-runs to set up automatic test runs.

@ScottSuarez, a repository maintainer, has been assigned to review your changes. If you have not received review feedback within 2 business days, please leave a comment on this PR asking them to take a look.

You can help make sure that review is quick by doing a self-review and by running impacted tests locally.