fix: PHP 8.5 compatibility - use grouped CoversClass attributes

Author: calliostro

tests/Integration/ClientWorkflowTest.php

@@ -19,8 +19,10 @@
 /**
  * Integration tests for the complete client workflow
  */
-#[CoversClass(DiscogsClientFactory::class)]
-#[CoversClass(DiscogsClient::class)]
+#[
+    CoversClass(DiscogsClientFactory::class),
+    CoversClass(DiscogsClient::class)
+]
 final class ClientWorkflowTest extends IntegrationTestCase
 {
     /**