chore: replace travis with github actions

.github/workflows/ci.yml

@@ -0,0 +1,40 @@
+name: CI
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+jobs:
+  test:
+    name: ${{ matrix.name }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - pptr: 1.6.x
+          - pptr: 1.8.x
+          - pptr: 1.12.x
+          - pptr: 2.x.x
+          - pptr: 3.x.x
+          - pptr: 4.x.x
+          - pptr: 5.x.x
+          - pptr: 6.x.x
+          # We don't support these yet
+          # - pptr: 7.x.x
+          # - pptr: latest
+    steps:
+      - name: Run git checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Run nvm install 14
+        uses: actions/setup-node@v1
+        with:
+          node-version: 14.x
+      - run: npm install
+      - run: npm install "puppeteer@${{ matrix.pptr }}"
+      - run: npm install "@types/puppeteer@${{ matrix.pptr }}" || echo "No types available"
+      - run: npm run rebuild
+      - run: npm run test:lint
+      - run: npm run test:unit --coverage --runInBand --verbose