Update Roslyn version

Author: dibarbet

CHANGELOG.md

@@ -5,7 +5,16 @@
 - [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
+## 2.12.19
+* Update Roslyn to 4.9.0-3.23604.10 (PR: [#6676](https://github.com/dotnet/vscode-csharp/pull/6676))
+  * Pass through folders for additional files (PR: [#71061](https://github.com/dotnet/roslyn/pull/71061))
+  * Automatically detect missing NuGet packages and restore (PR: [#70851](https://github.com/dotnet/roslyn/pull/70851))
+  * Enable route embedded language features in vscode (PR: [#70927](https://github.com/dotnet/roslyn/pull/70927))
+* Add automatic nuget restore support to C# standalone (PR: [#6676](https://github.com/dotnet/vscode-csharp/pull/6676))
+* Update required VSCode version to 1.75.0 (PR: [#6711](https://github.com/dotnet/vscode-csharp/pull/6711))
+* Update debugger docs to point to official documentation (PR: [#6674](https://github.com/dotnet/vscode-csharp/pull/6674))
+
+## 2.12.19
 * 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))

package.json

@@ -37,7 +37,7 @@
     }
   },
   "defaults": {
-    "roslyn": "4.9.0-2.23571.2",
+    "roslyn": "4.9.0-3.23604.10",
     "omniSharp": "1.39.10",
     "razor": "7.0.0-preview.23528.1",
     "razorOmnisharp": "7.0.0-preview.23363.1",