chore(deps): bump actions/setup-node from 1 to 2.4.0 (#845)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 1 to 2.4.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v1...v2.4.0)

---
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>

Author: dependabot[bot]

.github/workflows/expire-hacktoberfest.yml

@@ -19,7 +19,7 @@ jobs:
       run: echo "##[set-output name=nvmrc;]$(cat .nvmrc)"
       id: nvm
     - name: Setup Node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.4.0
       with:
         node-version: ${{ steps.nvm.outputs.nvmrc }}
     - name: Run expire script

.github/workflows/main.yml

@@ -22,7 +22,7 @@ jobs:
       run: echo "##[set-output name=nvmrc;]$(cat .nvmrc)"
       id: nvm
     - name: Setup Node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.4.0
       with:
         node-version: ${{ steps.nvm.outputs.nvmrc }}
     - run: npm ci
@@ -44,7 +44,7 @@ jobs:
       run: echo "##[set-output name=nvmrc;]$(cat .nvmrc)"
       id: nvm
     - name: Setup Node
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@v2.4.0
       with:
         node-version: ${{ steps.nvm.outputs.nvmrc }}
     - run: npm ci