Merge pull request #235 from nowactions/renovate/actions-checkout-2.x

Update actions/checkout action to v2

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: Install dependencies
         run: npm ci
       - name: Test