* Delete flawed 'close-external-repo-sync-prs.yml' workflow since it won't run for spammy actors * Add the core logic to close invalid repo sync PRs into a new job within the 'repo-sync.yml' workflow
* Delete flawed 'close-external-repo-sync-prs.yml' workflow since it won't run for spammy actors * Add the core logic to close invalid repo sync PRs into a new job within the 'repo-sync.yml' workflow