Don't need to call actions/setup-node

Author: st0012

.github/workflows/lint.yml

@@ -27,10 +27,7 @@ jobs:
         bundler-cache: true
     - name: Run rubocop
       run: bundle exec rubocop
-    - name: Set up Node.js
-      uses: actions/setup-node@v6
-      with:
-        node-version: '20'
     - name: Run herb linter
+      # npx should be available by default so we don't need `setup-node` action
       # Don't lint erb files outside of lib as the current directory also includes vendor/bundle
       run: npx @herb-tools/linter "lib/**/*.rhtml"