💚 add GH workflow

.github/workflows/security-test.yml

@@ -0,0 +1,21 @@
+name: 'jQuery Security Tests'
+
+on: [pull_request, push, workflow_dispatch]
+
+permissions:
+  contents: read
+
+jobs:
+  test-security:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 'lts/*'
+      - run: npm ci
+        working-directory: security/server
+      - run: npm ci
+        working-directory: security/test
+      - run: npm test
+        working-directory: security/test