chore(deps): bump actions/checkout from 5 to 6 in the github-action-deps group (#35)

Author: dependabot[bot]

.github/workflows/main.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Install Dart Sass
         run: sudo snap install dart-sass
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           submodules: recursive
           fetch-depth: 0