Upgrade Serilog.UI to 2.1.1.

Author: mo-esmp

src/Serilog.Ui.Web/Serilog.Ui.Web.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>netcoreapp3.1;net5.0</TargetFrameworks>
-    <Version>2.1.0</Version>
+    <Version>2.1.1</Version>
   </PropertyGroup>
 
   <ItemGroup>