chore: upgrade phpunit to 12.5

tests/Service/Upload/UploadHandlerTest.php

@@ -110,9 +110,9 @@ class UploadHandlerTest extends TestCase
     private function handler(string $replacementFile = self::REPLACEMENT_FILE): UploadHandler
     {
         return new UploadHandler(
-            $this->createMock(RequestStack::class),
-            $this->createMock(OrphanageManager::class),
-            $this->createMock(Sanitizer::class),
+            $this->createStub(RequestStack::class),
+            $this->createStub(OrphanageManager::class),
+            $this->createStub(Sanitizer::class),
             new NullLogger(),
             $this->featureManager,
             $this->projectDir,