Bump actions/setup-node from v2.1.2 to v2.1.3 (#84)

Author: dependabot[bot]

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
  node: [10, 12, 14]
  steps:
  - uses: actions/checkout@v2
- - uses: actions/setup-node@v2.1.2
+ - uses: actions/setup-node@v2.1.3
  with:
  node-version: ${{ matrix.node }}
  - run: npm i