fix(deps): bump actions/setup-node from 2.1.5 to 2.4.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2.1.5 to 2.4.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v2.1.5...v2.4.0)

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

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/[email protected]
         with:
           fetch-depth: 1
-      - uses: actions/setup-node@v2.1.5
+      - uses: actions/setup-node@v2.4.0
         with:
           node-version: ${{ matrix.node-version }}
       - run: yarn