Changelog update to include sdk changes (#13468)

* updating changelog to include #298

* updating changelog to include #300

CHANGELOG.md

@@ -10,8 +10,12 @@
 ---
 
 ## 🐛 Bug Fixes
+- **fix(winrm): catch cmd err from winrm** – by @anurag5sh in ([#298](https://github.com/hashicorp/packer-plugin-sdk/pull/298))  
+  Improved reliability by catching WinRM remote shell failures during provisioning
 - **PowerShell wrapper cleanup** – by @kp2099 ([#13451](https://github.com/hashicorp/packer/pull/13451))  
   Removed the unused `$result` variable from the wrapper string.
+- **fix tests for shell and shell-local** – by @kp2099 in ([#300](https://github.com/hashicorp/packer-plugin-sdk/pull/300))  
+  Acceptance test fixes for shell and shell-local
 
 ---