feat(tests): Replace Jest with Node Test Runner & add GHA CI (#48)

* feat(tests): Replace Jest with Node Test Runner

* ci: Add GitHub Actions workflow to run tests

Author: dpogue

.github/workflows/ci.yml

@@ -0,0 +1,50 @@
+name: Node CI
+
+on:
+  push:
+    branches-ignore:
+      - 'dependabot/**'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  test:
+    name: NodeJS ${{ matrix.node-version }} on macOS
+    runs-on: macos-15
+    strategy:
+      matrix:
+        node-version: [20.x, 22.x, 24.x]
+
+    permissions:
+      contents: read
+      security-events: write
+
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: actions/setup-node@v6
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Environment Information
+        run: |
+          node --version
+          npm --version
+
+      - uses: github/codeql-action/init@v4
+        with:
+          tools: linked
+          languages: javascript, actions
+          queries: security-and-quality
+          config: |
+            paths-ignore:
+              - coverage
+              - node_modules
+
+      - name: npm install and test
+        run: npm cit
+        env:
+          CI: true
+
+      - uses: github/codeql-action/analyze@v4