Make Context implement AnnotationConfigRegistry

Update `AnnotationConfigReactiveWebServerApplicationContext` to
implement `AnnotationConfigRegistry`.

Fixes gh-11686

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/reactive/context/AnnotationConfigReactiveWebServerApplicationContext.java

@@ -21,6 +21,7 @@ import org.springframework.beans.factory.support.BeanNameGenerator;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.context.annotation.AnnotatedBeanDefinitionReader;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigRegistry;
 import org.springframework.context.annotation.AnnotationConfigUtils;
 import org.springframework.context.annotation.AnnotationScopeMetadataResolver;
 import org.springframework.context.annotation.ClassPathBeanDefinitionScanner;
@@ -51,7 +52,7 @@ import org.springframework.util.ObjectUtils;
  * @see AnnotationConfigApplicationContext
  */
 public class AnnotationConfigReactiveWebServerApplicationContext
-		extends ReactiveWebServerApplicationContext {
+		extends ReactiveWebServerApplicationContext implements AnnotationConfigRegistry {
 
 	private final AnnotatedBeanDefinitionReader reader;