Update actions/checkout in lint.yml

Author: picandocodigo

.github/workflows/lint.yml

@@ -5,7 +5,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install yamllint
         run: pip install yamllint