update the version (#519)

correct the FL version in C# as the packages are centrally managed.

Author: samuel100

samples/cs/GettingStarted/Directory.Packages.props

@@ -5,8 +5,8 @@
     <OnnxRuntimeVersion>1.23.2</OnnxRuntimeVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Microsoft.AI.Foundry.Local" Version="0.9.*" />
-    <PackageVersion Include="Microsoft.AI.Foundry.Local.WinML" Version="0.9.*" />
+    <PackageVersion Include="Microsoft.AI.Foundry.Local" Version="0.9.0" />
+    <PackageVersion Include="Microsoft.AI.Foundry.Local.WinML" Version="0.9.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="9.0.10" />
     <PackageVersion Include="OpenAI" Version="2.5.0" />
   </ItemGroup>