Summary:
The initial rerun workflow cannot be triggered successfully for PRs created from forks, since the GitHub auth token provided for PRs on forks doesn't provide write access.
This switches to a workflow completion trigger, which should run from the main repo and have write access to rerun the workflow.
Summary: The initial rerun workflow cannot be triggered successfully for PRs created from forks, since the GitHub auth token provided for PRs on forks doesn't provide write access.
This switches to a workflow completion trigger, which should run from the main repo and have write access to rerun the workflow.
Differential Revision: D64760527