Don't open multiple build failure issues upon workflow cancellation

Author: Rylan12

.github/workflows/scheduled.yml

@@ -82,7 +82,7 @@ jobs:
           title: rubydoc.brew.sh deployment failed!
           body: The most recent [rubydoc.brew.sh deployment failed](${{ env.RUN_URL }}).
           labels: deploy failure
-          update-existing: ${{ contains(needs.*.result, 'failure') }}
+          update-existing: ${{ contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled') }}
           close-existing: ${{ needs.deploy.result == 'success' }}
           close-from-author: github-actions[bot]
           close-comment: The most recent [rubydoc.brew.sh deployment succeeded](${{ env.RUN_URL }}). Closing issue.