Bump actions/setup-node from v1 to v2.1.4

Bumps [actions/setup-node](https://github.com/actions/setup-node) from v1 to v2.1.4.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v1...c46424eee26de4078d34105d3de3cc4992202b1e)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - name: Setup Node.js
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2.1.4
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
         run: echo "::set-output name=dir::$(yarn cache dir)"