Merge pull request #11 from TryGhost/renovate/actions-setup-node-2.x

Update actions/setup-node action to v2

Author: sam-lord

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
     name: Node ${{ matrix.node }}
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}