Bump actions/setup-node from 1 to 2.4.1 (#33)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 1 to 2.4.1.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...v2.4.1)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -15,7 +15,7 @@ jobs:
             - uses: actions/checkout@v2
 
             - name: Use Node.js ${{ matrix.node-version }}
-              uses: actions/setup-node@v1
+              uses: actions/setup-node@v2.4.1
               with:
                   node-version: ${{ matrix.node-version }}
 

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ jobs:
         steps:
             - uses: actions/checkout@v2
             - name: Use Node.js
-              uses: actions/setup-node@v1
+              uses: actions/setup-node@v2.4.1
               with:
                   node-version: 15
             - name: Install dependencies