fix: framework version

Author: andrewbabbittdev

src/BlazorDesktop.Templates/content/BlazorDesktop-CSharp/BlazorDesktop-CSharp.csproj

@@ -1,15 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows10.0.22000.0</TargetFramework>
+    <TargetFramework>net9.0-windows10.0.22000.0</TargetFramework>
     <OutputType>WinExe</OutputType>
     <UseWPF>true</UseWPF>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="BlazorDesktop" Version="8.0.8" />
+    <PackageReference Include="BlazorDesktop" Version="9.0.1" />
   </ItemGroup>
 
 </Project>