docs: update CHANGES.md

Centralized plugin version management in the root POM and Remove Redundant Declarations by PR #766

Author: leeyazhou

CHANGES.md

@@ -19,6 +19,7 @@ Release Notes.
 * Support gRPC 1.59.x and 1.70.x server interceptor trace
 * Fix the `CreateAopProxyInterceptor` in the Spring core-patch changes the AOP proxy type when a class is
   enhanced by both SkyWalking and Spring AOP.
+* Build: Centralized plugin version management in the root POM and Remove Redundant Declarations by PR #766
 
 All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/236?closed=1)