Fix Mongo version issue.

Author: Haiping Chen

src/Plugins/BotSharp.Plugin.ExcelHandler/BotSharp.Plugin.ExcelHandler.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
@@ -28,7 +28,6 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Data.Sqlite" Version="8.0.8" />
-    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.8" />
     <PackageReference Include="MySql.Data" Version="9.0.0" />
     <PackageReference Include="NPOI" Version="2.7.1" />
   </ItemGroup>