Build: replace travis with GH actions workflow for npm test

Author: timmywil

.github/workflows/node.js.yml

@@ -0,0 +1,31 @@
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
+
+name: Node.js CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        # Old infra requires Node 10
+        node-version: [10.x, 18.x]
+
+    steps:
+    - name: Install xmllint
+      run: sudo apt-get install -y libxml2-utils
+    - uses: actions/checkout@v3
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v3
+      with:
+        node-version: ${{ matrix.node-version }}
+        cache: 'npm'
+    - run: npm ci
+    - run: npm test