Add GHA for requiring all reviews to be dismissed or approving before merging (#2391)
* Add GHA for requiring all reviews to be dismissed or approving before merging
* Attempt again
* Try try try again
* stash
* Stash
* Dummy
* Fix indentation
* Iterate
* Tweak
* Iterate
* toJSON
* Iterate
* Iterate
* Fix
* typo
* Permissions
* tidy
* Update pending_reviews.yml
* delint