Update .gitignore for scan artifacts

Add .vuln-scout-cache/, .codeql/, *.jsonl, node_modules/

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: allsmog

.gitignore

@@ -33,3 +33,10 @@ joern-workspace/
 __pycache__/
 *.pyc
 
+# VulnScout scan artifacts
+.vuln-scout-cache/
+.codeql/
+*.jsonl
+
+# Node modules
+node_modules/