Add release notes for Djblets 3.0 RC 1.

Review Request #12610 — Created Sept. 19, 2022 and submitted — Latest diff uploaded

Information

Djblets
release-3.x

Reviewers

This is intended to be the final pre-release of Djblets 3, focusing on
some polish and bug fixes, along with a new signal for when expired API
tokens are used.

Built the docs. Checked for bad links and spelling errors.

Commits

Files