Merge pull request #228 from TimoliaDE/renovate/actions-checkout-6.x

Update actions/checkout action to v6

Author: feeeedox

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 2