Update changelog before snap (#8335)

Author: dibarbet

CHANGELOG.md

@@ -4,6 +4,8 @@
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
 # 2.81.x
+* Update Debugger Packages to v2.81.0(PR: [#8329](https://github.com/dotnet/vscode-csharp/pull/8329))                                           
+* Localization changes (PR: [#8327](https://github.com/dotnet/vscode-csharp/pull/8327))         
 
 # 2.80.x
 * Fix license link in marketplace (PR: [#8318](https://github.com/dotnet/vscode-csharp/pull/8318))