[Composer] Temporarily downgrade sylius/test-application for Sylius 2.1 (#258)

Author: GSadee

composer.json

@@ -32,7 +32,7 @@
         "phpunit/phpunit": "^9.5",
         "polishsymfonycommunity/symfony-mocker-container": "^1.0",
         "sylius-labs/coding-standard": "^4.0",
-        "sylius/test-application": "^2.0.0@alpha",
+        "sylius/test-application": "2.0.0-ALPHA.5 || 2.1.0-ALPHA.2",
         "symfony/browser-kit": "^6.4 || ^7.1",
         "symfony/debug-bundle": "^6.4 || ^7.1",
         "symfony/dotenv": "^6.4 || ^7.1",