Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: aaronpowell

.github/workflows/external-plugin-rerun-intake-command.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     if: >-
       !github.event.issue.pull_request &&
-      contains(github.event.comment.body, '/rerun-intake')
+      startsWith(github.event.comment.body, '/rerun-intake')
     steps:
       - name: Checkout staged branch
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1