update changes

Author: john9x

CHANGES.md

@@ -7,6 +7,7 @@ Release Notes.
 
 * Add the virtual thread executor plugin
 * Fix Conflicts apm-jdk-threadpool-plugin conflicts with apm-jdk-forkjoinpool-plugin
+* Fix NPE in hikaricp-plugin if JDBC URL is not set
 
 All issues and pull requests are [here](https://github.com/apache/skywalking/milestone/236?closed=1)