Update Roslyn version

Author: dibarbet

CHANGELOG.md

@@ -5,6 +5,11 @@
 - [O# Parity] Nuget restore [#5725](https://github.com/dotnet/vscode-csharp/issues/5725)
 - Debug from .csproj and .sln [#5876](https://github.com/dotnet/vscode-csharp/issues/5876)
 
+## Latest
+* Update Roslyn to 4.9.0-2.23563.2 (PR: [#6664](https://github.com/dotnet/vscode-csharp/pull/6664))
+  * Implement textDocument/prepareRename to show error in invalid rename locations (PR: [#70724](https://github.com/dotnet/roslyn/pull/70724))
+  * Improve Hover markdown on 'await' keyword (PR: [#70629](https://github.com/dotnet/roslyn/pull/70629))
+
 ## 2.10.28
 * Fix C# Debugger telemetry (PR: [#6627](https://github.com/dotnet/vscode-csharp/pull/6627))
 * Add support for deduping build diagnostics from C# Devkit (PR: [#6543](https://github.com/dotnet/vscode-csharp/pull/6543))

package.json

@@ -37,7 +37,7 @@
     }
   },
   "defaults": {
-    "roslyn": "4.9.0-1.23530.4",
+    "roslyn": "4.9.0-2.23563.2",
     "omniSharp": "1.39.10",
     "razor": "7.0.0-preview.23528.1",
     "razorOmnisharp": "7.0.0-preview.23363.1",