Remove detailed dependency update bullet points from CHANGELOG.md

Co-authored-by: YunchuWang <12449837+YunchuWang@users.noreply.github.com>

Author: Copilot

CHANGELOG.md

@@ -1,9 +1,5 @@
 ## placeholder
 * Fix CVE vulnerabilities by updating dependencies ([#226](https://github.com/microsoft/durabletask-java/pull/226))
-  * Update gRPC from 1.59.0 to 1.62.2
-  * Update Jackson from 2.15.3 to 2.16.1
-  * Update Azure Core from 1.45.0 to 1.46.0
-  * Update Azure Identity from 1.11.1 to 1.11.2
 * Add distributed tracing support for Azure Functions client scenarios ([#211](https://github.com/microsoft/durabletask-java/pull/211))