refactor(日志配置): 统一GrafanaLoki用户名属性命名

将LogGrafanaLokiUsername重命名为LogGrafanaLokiUserName以保持命名一致性，并更新相关引用

Author: AlianBlank

GameFrameX.StartUp/GameApp.cs

@@ -164,7 +164,7 @@ public static async Task Entry(string[] args, Action initAction, Action<LogOptio
             LogOptions.Default.IsConsole = launcherOptions.LogIsConsole;
             LogOptions.Default.IsGrafanaLoki = launcherOptions.LogIsGrafanaLoki;
             LogOptions.Default.GrafanaLokiUrl = launcherOptions.LogGrafanaLokiUrl;
-            LogOptions.Default.GrafanaLokiUsername = launcherOptions.LogGrafanaLokiUsername;
+            LogOptions.Default.GrafanaLokiUserName = launcherOptions.LogGrafanaLokiUserName;
             LogOptions.Default.GrafanaLokiPassword = launcherOptions.LogGrafanaLokiPassword;
             LogOptions.Default.RetainedFileCountLimit = launcherOptions.LogRetainedFileCountLimit;
             LogOptions.Default.IsFileSizeLimit = launcherOptions.LogIsFileSizeLimit;

GameFrameX.StartUp/Options/LauncherOptions.cs

@@ -211,8 +211,8 @@ public sealed class LauncherOptions
     /// <remarks>
     /// GrafanaLoki用户名或Email，当LogIsGrafanaLoki为true时生效
     /// </remarks>
-    [Option(nameof(LogGrafanaLokiUsername), Description = "GrafanaLoki 用户名或Email,当LogIsGrafanaLoki为true时生效。")]
-    public string LogGrafanaLokiUsername { get; set; }
+    [Option(nameof(LogGrafanaLokiUserName), Description = "GrafanaLoki 用户名或Email,当LogIsGrafanaLoki为true时生效。")]
+    public string LogGrafanaLokiUserName { get; set; }
 
     /// <summary>
     /// Gets or sets the GrafanaLoki password