Apply "instanceof pattern matching" (#29710)

spring-aop/src/main/java/org/springframework/aop/framework/DefaultAdvisorChainFactory.java

@@ -65,11 +65,11 @@ public class DefaultAdvisorChainFactory implements AdvisorChainFactory, Serializ
 				if (config.isPreFiltered() || pointcutAdvisor.getPointcut().getClassFilter().matches(actualClass)) {
 					MethodMatcher mm = pointcutAdvisor.getPointcut().getMethodMatcher();
 					boolean match;
-					if (mm instanceof IntroductionAwareMethodMatcher) {
+					if (mm instanceof IntroductionAwareMethodMatcher iamm) {
 						if (hasIntroductions == null) {
 							hasIntroductions = hasMatchingIntroductions(advisors, actualClass);
 						}
-						match = ((IntroductionAwareMethodMatcher) mm).matches(method, actualClass, hasIntroductions);
+						match = iamm.matches(method, actualClass, hasIntroductions);
 					}
 					else {
 						match = mm.matches(method, actualClass);