Upgrade .NET 8 projects to .NET 9

Author: rjmurillo

Diff for: tests/EffectiveCSharp.Analyzers.Benchmarks/EffectiveCSharp.Analyzers.Benchmarks.csproj

@@ -1,17 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
-    <PropertyGroup>
-        <OutputType>Exe</OutputType>
-        <TargetFramework>net8.0</TargetFramework>
-        <IsPackable>false</IsPackable>
-    </PropertyGroup>
-
-    <ItemGroup>
-        <ProjectReference Include="$(RepoRoot)/src/EffectiveCSharp.Analyzers/EffectiveCSharp.Analyzers.csproj" />
-        <PackageReference Include="BenchmarkDotNet" />
-        <PackageReference Include="BenchmarkDotNet.Diagnostics.dotTrace" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" />
-    </ItemGroup>
-
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+  <ItemGroup>
+    <ProjectReference Include="$(RepoRoot)/src/EffectiveCSharp.Analyzers/EffectiveCSharp.Analyzers.csproj" />
+    <PackageReference Include="BenchmarkDotNet" />
+    <PackageReference Include="BenchmarkDotNet.Diagnostics.dotTrace" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing" />
+  </ItemGroup>
 </Project>

Diff for: tests/EffectiveCSharp.Analyzers.Tests/EffectiveCSharp.Analyzers.Tests.csproj

@@ -1,20 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
     <!-- The CompositeAnalyzer triggers RS1036 -->
     <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
   </PropertyGroup>
-
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
   </PropertyGroup>
-
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
     <Optimize>false</Optimize>
   </PropertyGroup>
-
   <ItemGroup>
     <PackageReference Include="GetPackFromProject">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -27,5 +23,4 @@
   <ItemGroup>
     <ProjectReference Include="$(RepoRoot)/src/EffectiveCSharp.Analyzers/EffectiveCSharp.Analyzers.csproj" AddPackageAsOutput="true" />
   </ItemGroup>
-
 </Project>