chore: 🤖 update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/commitlint.yaml

@@ -10,7 +10,7 @@ jobs:
 
         runs-on: ubuntu-latest
         steps:
-            - uses: actions/checkout@v4
+            - uses: actions/checkout@v6
               with:
                   fetch-depth: 0