update unified changelog

Author: Pan-Qi

src/Workloads/Workloads/ChangeLog.md

@@ -18,7 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
-Improved user experience and consistency. This may introduce breaking changes. Please refer to [here](https://go.microsoft.com/fwlink/?linkid=2340249).
+* Improved user experience and consistency. This may introduce breaking changes. Please refer to [here](https://go.microsoft.com/fwlink/?linkid=2340249).
 
 ## Version 1.0.1
 * Preannounced breaking changes. Please refer to https://go.microsoft.com/fwlink/?linkid=2333229