chore(deps): update actions/checkout action to v6 (riasvdv#241)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: aglipanci/laravel-pint-action@latest
       - uses: stefanzweifel/git-auto-commit-action@v6
         with:

.github/workflows/run-tests.yml

@@ -15,7 +15,7 @@ jobs:
     name: PHP ${{ matrix.php }} - Statamic 6
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}