Merge pull request #193 from runatlantis/renovate/actions-checkout-6.x

chore(deps): update actions/checkout action to v6

Author: d-costa

.github/workflows/ci.yaml

@@ -12,7 +12,7 @@ jobs:
 
     steps:
       # Setup dependencies
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name }}