Merge pull request #326 from iberianpig/feature/github-cations-checkoutv4

feat: use actions/checkout@v4

Author: iberianpig

.github/workflows/main.yml

@@ -18,9 +18,10 @@ jobs:
           - '3.0'
           - '3.1'
           - '3.2'
+          - '3.3'
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: