ci: unpin actions/setup-node to v2

* build(deps): bump actions/setup-node from 2.4.1 to 2.5.0

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 2.4.1 to 2.5.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v2.4.1...v2.5.0)

---
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>

* ci: unpin actions/setup-node to v2

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

.github/workflows/lint-js.yml

@@ -27,7 +27,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      - uses: actions/setup-node@v2.4.1
+      - uses: actions/setup-node@v2
 
       - name: Install packages
         run: npm install --unsafe-perm

.github/workflows/linux.yml

@@ -42,7 +42,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup Node.js environment
-        uses: actions/setup-node@v2.4.1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
 

.github/workflows/macos.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup Node.js environment
-        uses: actions/setup-node@v2.4.1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
 

.github/workflows/windows.yml

@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Setup Node.js environment
-        uses: actions/setup-node@v2.4.1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node }}
           architecture: ${{ matrix.architecture }}