Typo ".Suo"→".suo"

https://docs.microsoft.com/en-us/visualstudio/extensibility/internals/solution-user-options-dot-suo-file?view=vs-2022
https://github.com/MicrosoftDocs/visualstudio-docs/blob/main/docs/extensibility/internals/solution-user-options-dot-suo-file.md
related #7982 (Typo ".Sln"→".sln")
#PingMSFTDocs

Author: hyoshioka0128

docs/extensibility/internals/solution-user-options-dot-suo-file.md

@@ -1,5 +1,5 @@
 ---
-title: Solution User Options (.Suo) File | Microsoft Docs
+title: Solution User Options (.suo) File | Microsoft Docs
 description: Learn about the solution user options (.suo) file, which contains per-user solution options in a structured storage file stored in a binary format.
 ms.custom: SEO-VS-2020
 ms.date: 11/04/2016
@@ -18,7 +18,7 @@ ms.technology: vs-ide-sdk
 ms.workload:
 - vssdk
 ---
-# Solution User Options (.Suo) File
+# Solution User Options (.suo) File
 
  [!INCLUDE [Visual Studio](~/includes/applies-to-version/vs-windows-only.md)]
 The solution user options (.suo) file contains per-user solution options. This file should not be checked in to source code control.