lint.yml in statsd-instrument-3.2.0

- old
+ new

@@ -3,20 +3,18 @@
 on: push
 
 jobs:
   test:
     name: Rubocop
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
 
     steps:
     - uses: actions/checkout@v1
 
-    - name: Setup Ruby
-      uses: actions/setup-ruby@v1
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.7
-
-    - name: Install dependencies
-      run: gem install bundler && bundle install --jobs 4 --retry 3
+        ruby-version: 2.6
+        bundler-cache: true
 
     - name: Run Rubocop
       run: bin/rubocop