Draft: Added automated commit message when merging

What does this MR do and why?

Adds an additional commit variable of %{ai_message} to merge commit messages which will get replaced with an AI generated commit message based on the git diff.

Added automated commit message when merging

This adds an additonal commit message variable of %{ai_message} which will get replaced with an AI generated commit message based on the git diff

#407367 (closed)

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

#407367 (closed)