Create Database Release notes detailing the migrations required for migrating merge request diff commit users
We need to create a brief release note to bring attention to #334394 (closed) especially for self-managed instances. It is unlikely that they will run into any issues, however if they do this will provide information on what to do (wait vs. retry, etc.)
We did something similar for Create Database Release Notes detailing the tables with PK Columns swaps - #337753 (closed)