Use .NET 9

Author: Tyrrrz

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
       windows-only: true
       deploy: ${{ inputs.deploy || github.ref_type == 'tag' }}
       package-version: ${{ inputs.package-version || (github.ref_type == 'tag' && github.ref_name) || format('0.0.0-ci-{0}', github.sha) }}
-      dotnet-version: 8.0.x
+      dotnet-version: 9.0.x
     secrets:
       CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       NUGET_TOKEN: ${{ secrets.NUGET_TOKEN }}

Onova.Tests.Dummy/Onova.Tests.Dummy.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Onova.Tests/Onova.Tests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

Onova.Tests/Utils/DummyEnvironment.cs

@@ -119,7 +119,7 @@ public string GetLastUpdaterLogs()
         return File.Exists(filePath) ? File.ReadAllText(filePath) : "";
     }
 
-    public async Task<string> RunDummyAsync(params string[] arguments)
+    public async Task<string> RunDummyAsync(params IReadOnlyList<string> arguments)
     {
         var result = await Cli.Wrap("dotnet")
             .WithArguments(a => a.Add(DummyFilePath).Add(arguments))

Onova/Services/AggregatePackageResolver.cs

@@ -11,14 +11,9 @@ namespace Onova.Services;
 /// <summary>
 /// Resolves packages using multiple other package resolvers.
 /// </summary>
-public class AggregatePackageResolver(IReadOnlyList<IPackageResolver> resolvers) : IPackageResolver
+public class AggregatePackageResolver(params IReadOnlyList<IPackageResolver> resolvers)
+    : IPackageResolver
 {
-    /// <summary>
-    /// Initializes an instance of <see cref="AggregatePackageResolver" />.
-    /// </summary>
-    public AggregatePackageResolver(params IPackageResolver[] resolvers)
-        : this((IReadOnlyList<IPackageResolver>)resolvers) { }
-
     /// <inheritdoc />
     public async Task<IReadOnlyList<Version>> GetPackageVersionsAsync(
         CancellationToken cancellationToken = default