Changelog?

With the new release process, the CHANGELOG.md is no longer updated automatically by tf-release-bot. Do we need to do anything to react to this change? For example I think using (GH-123) to reference PRs doesn't work anymore.

TF reference docs: https://www.terraform.io/docs/extend/best-practices/versioning.html#changelog-specification

Example commit from tf-release-bot in the past: d48f13a9