refactor: improve PR body generation with conditional attention note handling

Author: guimoreirar

.github/workflows/helm-update-chart.yml

@@ -359,21 +359,23 @@ jobs:
             | .[]
           ')
 
-          # Create PR body file to avoid YAML escaping issues
-          cat > /tmp/pr_body.md << 'PREOF'
-## Summary
-
-Automated update of Helm chart components.
-
-## Components Updated
-
-PREOF
-          echo "${ATTENTION_NOTE}" >> /tmp/pr_body.md
-          echo "" >> /tmp/pr_body.md
-          echo "${COMPONENTS_TABLE}" >> /tmp/pr_body.md
-          echo "" >> /tmp/pr_body.md
-          echo "---" >> /tmp/pr_body.md
-          echo "*This PR was automatically generated by the CI/CD pipeline.*" >> /tmp/pr_body.md
+          # Create PR body file
+          {
+            echo "## Summary"
+            echo ""
+            echo "Automated update of Helm chart components."
+            echo ""
+            if [ -n "${ATTENTION_NOTE}" ]; then
+              echo "${ATTENTION_NOTE}"
+              echo ""
+            fi
+            echo "## Components Updated"
+            echo ""
+            echo "${COMPONENTS_TABLE}"
+            echo ""
+            echo "---"
+            echo "*This PR was automatically generated by the CI/CD pipeline.*"
+          } > /tmp/pr_body.md
 
           # Create PR
           PR_URL=$(gh pr create \