Update for 1.23.1 release (#3995)

* Update readme for release

* Update version for release

* Update version for release

* Update version for release

CHANGELOG.md

@@ -1,4 +1,4 @@
-## Known Issues in 1.23.0
+## Known Issues in 1.23.1
 
 * Known limitations with the preview Razor (cshtml) language service to be addressed in a future release:
   * Only ASP.NET Core projects are supported (no support for ASP.NET projects)

README.md

@@ -24,6 +24,9 @@ The C# extension is powered by [OmniSharp](https://github.com/OmniSharp/omnishar
 
 Because of the new minimum MSBuild version requirement of these new SDKs, it will be necessary to use the Mono packaged with the C# extension. You can set "omnisharp.useGlobalMono" to "never" in the VS Code settings to force the use of the included Mono.
 
+## What's new in 1.23.1
+-   Register FixAll commands for disposal ([#3984](https://github.com/OmniSharp/omnisharp-vscode/issues/3984), PR: [#3985](https://github.com/OmniSharp/omnisharp-vscode/pull/3985))
+
 ## What's new in 1.23.0
 -   Fix typo in supressBuildAssetsNotification setting name ([#3941](https://github.com/OmniSharp/omnisharp-vscode/issues/3941), PR: [#3942](https://github.com/OmniSharp/omnisharp-vscode/pull/3942))
 -   Introduced a new `/quickinfo` endpoint to provide a richer set of information compared to `/typeinfo`. Consumers are encouraged to use it as their hover provider ([omnisharp-roslyn#1808](https://github.com/OmniSharp/omnisharp-roslyn/issues/1808), PR: [omnisharp-roslyn#1860](https://github.com/OmniSharp/omnisharp-roslyn/pull/1860)

package.json

@@ -1,7 +1,7 @@
 {
   "name": "csharp",
   "publisher": "ms-dotnettools",
-  "version": "1.23.0",
+  "version": "1.23.1",
   "description": "C# for Visual Studio Code (powered by OmniSharp).",
   "displayName": "C#",
   "author": "Microsoft Corporation",
@@ -3476,4 +3476,4 @@
       ]
     }
   }
-}
+}