Add run_master_build workflow (#57899)
Summary:
Automatically generate this workflow by filtering all jobs that has *filters:branches:only:master* restriction
Add probot config to schedule this workflow if `ci/master` label is set on PR
Pull Request resolved: https://github.com/pytorch/pytorch/pull/57899
Reviewed By: walterddr
Differential Revision: D28311838
Pulled By: malfet
fbshipit-source-id: 63df81212279f5edd8463d1f6b22f37253c53a98