chore(deps): update actions/setup-node action to v2 (#677)

Author: renovate[bot]

Diff for: .github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         node: [10, 12]
 
     steps:
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
 

Diff for: .github/workflows/snapshot.yml

@@ -9,7 +9,7 @@ jobs:
 
     steps:
       - name: Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}