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

Author: renovate-bot

.github/workflows/node-ci.yml

@@ -20,7 +20,7 @@ jobs:
         run: 'echo ::set-output name=NVMRC::$(cat .nvmrc)'
         id: nvm
       - name: Setup node
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: '${{ steps.nvm.outputs.NVMRC }}'
       - uses: bahmutov/npm-install@v1