chore: use report-job-failure from sourcegraph/workflows (#368)

Author: burmudar

.github/workflows/pr-auditor.yml

@@ -24,5 +24,5 @@ jobs:
   report_failure:
     needs: check-pr
     if: ${{ failure() }}
-    uses: sourcegraph/sourcegraph/.github/workflows/report-job-failure.yml@main
+    uses: sourcegraph/workflows/.github/workflows/report-job-failure.yml@main
     secrets: inherit