fix: add hashCode implementation for RetryConfiguration.AnnotationClassOrMethodPointcut

Author: NorsaG

src/main/java/org/springframework/retry/annotation/RetryConfiguration.java

@@ -21,6 +21,7 @@
 import java.util.ArrayList;
 import java.util.LinkedHashSet;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -242,6 +243,11 @@ public boolean equals(Object other) {
 			return ObjectUtils.nullSafeEquals(this.methodResolver, otherAdvisor.methodResolver);
 		}
 
+		@Override
+		public int hashCode() {
+			return Objects.hash(methodResolver);
+		}
+
 	}
 
 	private final class AnnotationClassOrMethodFilter extends AnnotationClassFilter {