.NET 9 update to target framework and package versions

Updated all projects to target net9.0. Updated package versions:
- Api.csproj: Microsoft.AspNetCore.OpenApi to 9.0.0, Swashbuckle.AspNetCore to 7.0.0
- AppHost.csproj: Aspire.AppHost.Sdk to 9.0.0
- MyWeatherHub.csproj: Microsoft.AspNetCore.Components.QuickGrid to 9.0.0, Microsoft.Extensions.ApiDescription.Client to 9.0.0
- ServiceDefaults.csproj: OpenTelemetry.Exporter.OpenTelemetryProtocol to 1.10.0, OpenTelemetry.Extensions.Hosting to 1.10.0

complete/Api/Api.csproj

@@ -1,13 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Aspire.StackExchange.Redis.OutputCaching" Version="9.0.0" />
-    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.11" />
-    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.7.3" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="9.0.0" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="7.0.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\ServiceDefaults\ServiceDefaults.csproj" />

complete/AppHost/AppHost.csproj

@@ -2,7 +2,7 @@
   <Sdk Name="Aspire.AppHost.Sdk" Version="9.0.0" />
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsAspireHost>true</IsAspireHost>

complete/MyWeatherHub/MyWeatherHub.csproj

@@ -1,22 +1,17 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
-
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
-
-
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.QuickGrid" Version="8.0.8" />
-    <PackageReference Include="Microsoft.Extensions.ApiDescription.Client" Version="8.0.8">
+    <PackageReference Include="Microsoft.AspNetCore.Components.QuickGrid" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.ApiDescription.Client" Version="9.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
   </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\ServiceDefaults\ServiceDefaults.csproj" />
   </ItemGroup>
-
-</Project>
+</Project>

complete/ServiceDefaults/ServiceDefaults.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <IsAspireSharedProject>true</IsAspireSharedProject>
@@ -9,8 +9,8 @@
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="9.0.0" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.9.0" />
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.9.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.10.0" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.10.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.9.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.9.0" />