chore: upgrade aspire packages to net9

Author: MCGPPeters

Abies.Conduit.AppHost/Abies.Conduit.AppHost.csproj

@@ -6,6 +6,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Aspire.Hosting" Version="8.0.0" />
+    <PackageReference Include="Aspire.Hosting.AppHost" Version="9.0.0" />
   </ItemGroup>
 </Project>

Abies.Conduit.ServiceDefaults/Abies.Conduit.ServiceDefaults.csproj

@@ -7,4 +7,8 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Aspire.Hosting" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.0.0" />
+  </ItemGroup>
 </Project>