fixed central package management

Author: Aaronontheweb

Directory.Packages.props

@@ -3,6 +3,7 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
+    <PackageVersion Include="Aspire.Hosting.AppHost" Version="9.1.0" />
     <PackageVersion Include="CommunityToolkit.Aspire.Hosting.Ollama" Version="9.3.1-beta.259" />
     <PackageVersion Include="CommunityToolkit.Aspire.OllamaSharp" Version="9.3.1-beta.259" />
     <PackageVersion Include="Microsoft.Extensions.Hosting" Version="9.0.4" />

src/0-hello-world/AI.HelloWorld.AppHost/AI.HelloWorld.AppHost.csproj

@@ -12,12 +12,16 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Aspire.Hosting.AppHost" Version="9.1.0"/>
+        <PackageReference Include="Aspire.Hosting.AppHost"/>
         <PackageReference Include="CommunityToolkit.Aspire.Hosting.Ollama" />
     </ItemGroup>
 
     <ItemGroup>
       <ProjectReference Include="..\AI.HelloWorld.Console\AI.HelloWorld.Console.csproj" />
     </ItemGroup>
 
+    <ItemGroup>
+      <PackageVersion Update="Aspire.Hosting.AppHost" Version="9.1.0" />
+    </ItemGroup>
+
 </Project>