ci: bump actions/setup-node from 2.3.2 to 2.4.0 (#639)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v2.3.2...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] <support@github.com>

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -36,7 +36,7 @@ jobs:
         id: nvm
 
       - name: Setup Node
-        uses: actions/setup-node@v2.3.2
+        uses: actions/setup-node@v2.4.0
         with:
           node-version: '${{ steps.nvm.outputs.NVMRC }}'