Update project dependencies and target frameworks

Updated Api.csproj:
- Upgraded Microsoft.Azure.Functions.Worker.Sdk to 2.0.0
- Upgraded Microsoft.Azure.Functions.Worker to 2.0.0
- Added System.Text.Json version 9.0.0
- Removed comments.json from None item group

Updated Client.csproj:
- Changed target framework to net9.0
- Upgraded Microsoft.AspNetCore.Components.WebAssembly to 9.0.0
- Upgraded Microsoft.AspNetCore.Components.WebAssembly.DevServer to 9.0.0
- Added System.Text.Json version 9.0.0

Updated Shared.csproj:
- Upgraded System.Text.Json to version 9.0.0

Api/Api.csproj

@@ -9,8 +9,9 @@
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.2.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.18.1" OutputItemType="Analyzer" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.23.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.0" OutputItemType="Analyzer" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.0.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
   </ItemGroup>
   <ItemGroup>
     <Content Include="comments.csv">

Client/Client.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>disable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <RootNamespace>FLLJudge.Client</RootNamespace>
@@ -10,9 +10,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.10" />
-    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.10" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="9.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="9.0.0" PrivateAssets="all" />
     <PackageReference Include="MudBlazor" Version="7.15.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
   </ItemGroup>
 
   <ItemGroup>

Shared/Shared.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Text.Json" Version="8.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.0" />
   </ItemGroup>
 
 </Project>