Fix support for target arrays

This commits makes sure that a bean that produces an array can be
processed ahead of time. If the request target type is an array, its
component type is used.

Closes gh-31426

spring-beans/src/main/java/org/springframework/beans/factory/aot/DefaultBeanRegistrationCodeFragments.java

@@ -83,7 +83,7 @@ class DefaultBeanRegistrationCodeFragments implements BeanRegistrationCodeFragme
 			Assert.state(parent != null, "No parent available for inner bean");
 			target = parent.getBeanClass();
 		}
-		return ClassName.get(target);
+		return (target.isArray() ? ClassName.get(target.getComponentType()) : ClassName.get(target));
 	}
 
 	private Class<?> extractDeclaringClass(ResolvableType beanType, Executable executable) {