Update CI

Author: deeheber

.github/workflows/pr-validate.yml

@@ -60,5 +60,17 @@ jobs:
           TIMESTAMP=$(date -u +'%Y-%m-%d %H:%M:%S UTC')
           FINAL_BODY="${COMMENT_BODY//TIMESTAMP_PLACEHOLDER_/$TIMESTAMP}"
 
-          # Edit last comment or create new one if none exist
-          gh pr comment ${{ github.event.pull_request.number }} --edit-last --create-if-none --body "$FINAL_BODY"
+          # Find the last comment made by github-actions bot with our marker
+          COMMENT_ID=$(gh api repos/${{ github.repository }}/issues/${{ github.event.pull_request.number }}/comments \
+            --jq '.[] | select(.user.login == "github-actions[bot]" and (.body | contains("<!-- pr-validation-checklist -->"))) | .id' \
+            | tail -1)
+
+          if [ -n "$COMMENT_ID" ]; then
+            # Update existing bot comment
+            gh api repos/${{ github.repository }}/issues/comments/$COMMENT_ID \
+              -X PATCH \
+              -f body="$FINAL_BODY"
+          else
+            # Create new comment if none exists
+            gh pr comment ${{ github.event.pull_request.number }} --body "$FINAL_BODY"
+          fi