Upgrade to .net 9.0

Author: aimenux

.editorconfig

@@ -0,0 +1,19 @@
+root = true
+
+# All files
+[*]
+indent_style = space
+
+# C# files
+[*.cs]
+
+# Indentation and spacing
+indent_size = 4
+tab_width = 4
+
+# New line preferences
+end_of_line = crlf
+insert_final_newline = false
+
+# Remove useless namespaces
+dotnet_diagnostic.IDE0005.severity = error

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
       - name: Restore dependencies
         run: dotnet restore
       - name: Build

Api/Controllers/ProductsController.cs

@@ -0,0 +1,14 @@
+<Project>
+    <PropertyGroup>
+        <TargetFramework>net9.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Deterministic>true</Deterministic>
+        <EnableNETAnalyzers>true</EnableNETAnalyzers>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
+        <MSBuildTreatWarningsAsErrors>true</MSBuildTreatWarningsAsErrors>
+        <CodeAnalysisTreatWarningsAsErrors>true</CodeAnalysisTreatWarningsAsErrors>
+        <GenerateDocumentationFile>true</GenerateDocumentationFile>
+        <NoWarn>$(NoWarn);CS1591;</NoWarn>
+    </PropertyGroup>
+</Project>

Api/Mappers/IProductMapper.cs

@@ -0,0 +1,14 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageVersion Include="AwesomeAssertions" Version="8.1.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+    <PackageVersion Include="NetArchTest.Rules" Version="1.3.2" />
+    <PackageVersion Include="nunit" Version="4.3.2" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.0.0" />
+    <PackageVersion Include="Swashbuckle.AspNetCore" Version="8.1.1" />
+  </ItemGroup>
+</Project>