Update codeql-config.yml

Ensure `.github/workflows` is included in actions analysis.

Author: aeisenberg

.github/codeql/codeql-config.yml

@@ -8,6 +8,7 @@ queries:
     uses: ./.github/codeql/queries
 paths:
   - ./extensions/ql-vscode
+  - ./.github/workflows
 paths-ignore:
   - '**/node_modules'
   - '**/build'