Update GitHub actions (#140)

* Update composer.json

* update these

* Discard changes to composer.json

---------

Co-authored-by: Rob de Kort <rob@studio1902.nl>

Author: edalzell

.github/workflows/test.yml

@@ -23,10 +23,10 @@ jobs:
     name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }} - ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Cache dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
             path: ~/.composer/cache/files
             key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}