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](https://github.com/actions/setup-node/compare/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/lint.yml

@@ -52,7 +52,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2.3.4
       - name: Use node ${{ matrix.node-version }}
-        uses: actions/setup-node@v2.3.0
+        uses: actions/setup-node@v2.4.0
         with:
           node-version: ${{ matrix.node-version }}
       - name: Set up npm7
@@ -74,7 +74,7 @@ jobs:
       - uses: actions/checkout@v2.3.4
 
       - name: Set up node ${{ matrix.node-version }}
-        uses: actions/setup-node@v2.3.0
+        uses: actions/setup-node@v2.4.0
         with:
           node-version: ${{ matrix.node-version }}