[chores] Minimal improvement

Added pr_author fallback in case of failed api request

Author: stktyagi

.github/workflows/bot-ci-failure.yml

@@ -36,7 +36,8 @@ jobs:
             local pr_author
             pr_author=$(gh pr view "$pr_number" --repo "$REPO" --json author --jq '.author.login' 2>/dev/null || echo "")
             if [ -z "$pr_author" ]; then
-              echo "::warning::Could not fetch PR author for PR #$pr_number"
+              pr_author="${{ github.event.workflow_run.actor.login }}"
+              echo "::warning::Could not fetch PR author for PR #$pr_number; falling back to @$pr_author"
             fi 
             echo "number=$pr_number" >> "$GITHUB_OUTPUT"
             echo "author=$pr_author" >> "$GITHUB_OUTPUT"