Updated Changelog

Updated Changelod w/ Relavent C# Extension changes

Author: lizharems

CHANGELOG.md

@@ -5,6 +5,7 @@
 
 # Latest
 * Bump xamltools to 17.12.35103.251 (PR: [#7309](https://github.com/dotnet/vscode-csharp/pull/7309))
+  * Fixed issue with Exception type related to https://github.com/microsoft/vscode-dotnettools/issues/1247
   * Fix impossible to enter multiple spaces in attribute area
   * Fix cannot accept Copilot suggestion with Tab when IntelliSense is open
 * Fixing snippets in Razor LSP completion (PR: [#7274](https://github.com/dotnet/vscode-csharp/pull/7274))