Bump actions/setup-node from 2.3.0 to 2.4.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v2.3.0...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>

.github/workflows/integration-test.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           go-version: "1.16.x"
 
-      - uses: actions/setup-node@v2.3.0
+      - uses: actions/setup-node@v2.4.0
         with:
           node-version: "14"