lint.yml in statsd-instrument-3.9.0

- old
+ new

@@ -6,10 +6,10 @@
   test:
     name: Rubocop
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with:
         bundler-cache: true