Added semgrep

Author: Steven Peh

.github/workflows/node.js.yml

@@ -39,4 +39,4 @@ jobs:
 
       # Run the official Semgrep action
       - name: Run Semgrep
-        uses: semgrep/semgrep-action@v2
+        uses: semgrep/semgrep-action@v2.6.0