chore: remove nestbot carbon requirement

Author: jordyvanderhaegen

.github/workflows/main.yml

@@ -58,7 +58,7 @@ jobs:
                   echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
             - name: Install dependencies
               run: |
-                  composer require "laravel/framework:${{ matrix.laravel }}" "nesbot/carbon:^2.64" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
+                  composer require "laravel/framework:${{ matrix.laravel }}" "orchestra/testbench:${{ matrix.testbench }}" --no-interaction --no-update
                   composer update --${{ matrix.stability }} --prefer-dist --no-interaction
             - name: Execute tests
               run: vendor/bin/phpunit