Fix @ConfigurationProperties prefix violation

See gh-43917

Author: philwebb

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/validation/ValidationProperties.java

@@ -28,7 +28,7 @@
  * @since 3.5.0
  */
 @Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-@ConfigurationProperties(prefix = "spring.validation")
+@ConfigurationProperties("spring.validation")
 public class ValidationProperties {
 
 	private Method method = new Method();