fix(symfony): missing alias to serializer context builder interface (#6643)

Author: soyuka

src/Symfony/Bundle/Resources/config/api.xml

@@ -45,6 +45,7 @@
             <tag name="api_platform.parameter_provider" key="api_platform.serializer.filter_parameter_provider" priority="-895" />
         </service>
         <service id="ApiPlatform\Serializer\SerializerContextBuilderInterface" alias="api_platform.serializer.context_builder" />
+        <service id="ApiPlatform\State\SerializerContextBuilderInterface" alias="api_platform.serializer.context_builder" />
 
         <service id="api_platform.serializer.context_builder.filter" class="ApiPlatform\Serializer\SerializerFilterContextBuilder" decorates="api_platform.serializer.context_builder" public="false">
             <argument type="service" id="api_platform.metadata.resource.metadata_collection_factory" />