Update LogDto.cs

fix: issue resolved, where content saving breaks due to saving to umbracoLog with error message like that: String or binary data would be truncated in table 'dto.umbracoLog', column 'parameters'. Truncated value: 'English (United States), German (Switzerland), French (France), Italian (Italy), Arabic (Iraq), Pers'...

src/Umbraco.Infrastructure/Persistence/Dtos/LogDto.cs

@@ -55,6 +55,6 @@ internal class LogDto
     /// </summary>
     [Column("parameters")]
     [NullSetting(NullSetting = NullSettings.Null)]
-    [Length(500)]
+    [Length(4000)]
     public string? Parameters { get; set; }
 }