Update actions/setup-node action to v2 (#4)

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

Author: renovate[bot]

.github/workflows/ci-dev.yml

@@ -18,7 +18,7 @@ jobs:
         node: [16]
 
     steps:
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
 

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         node: [16]
 
     steps:
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}