* add branch sync between release_4.6 and stable-2.6
* add a new workflow to force push commits in release_4.6 to
stable-2.6
* Update workflow to use matrix keyword
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Co-authored-by: Jake Jackson
* Update the workflow to allow the action to write our branches from it.
* Also added username and email as git by default will want to know who
is performing the action (edge case). Using github actions bot is
standard practice
