ci: add github workflow for running tests against PRs and master

Author: dhensby

.github/workflows/node.yml

@@ -0,0 +1,32 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  test:
+    name: Run tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [8.x, 10.x, 12.x, 14.x, 16.x, 18.x, 20.x]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+        with:
+          persist-credentials: false
+      - name: Setup Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'npm'
+      - name: Install dependencies
+        run: npm clean-install
+      - name: Test code
+        run: npm test -- --forbid-only