ci: remove filament support

Author: KilianTrunk

.github/workflows/test-runner.yml

@@ -65,7 +65,7 @@ jobs:
 
       - name: Install dependencies
         run: |
-          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" "filament/support:^3.3" --no-interaction --no-update
+          composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
           composer update --${{ matrix.dependency-version }} --prefer-dist --no-progress --no-interaction
 
       - name: Run test suite