Add release notes and prepare for Review Board 4.0.11.
Review Request #12648 — Created Sept. 27, 2022 and submitted
This is a bug fix and feature release focusing on new APIs, enhanced
repository configuration, SSH fixes/improvements, and fixes for edge
Some of these are backports from the recent 5.0 pre-releases.
There's also some updates to a recent deprecation for
SCMTool.check_repository(), now targeting 6.0, given how late this is
in the lifecycle of 4.x.
Unit tests pass.
Built the docs and checked for build and spelling errors.