chore(deps): update actions/setup-node action to v2 (#5568)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Setup Node.js environment
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: 12.x
       - name: Update Brew (macOS)