Update to .NET 9 in build.yml (#8)

* Update to .NET 9 in build.yml

* Also update tests to .NET 9.

Author: Kuinox

.github/workflows/build.yml

@@ -3,7 +3,7 @@ name: Build
 on: [push, pull_request]
 
 env:
-  BUILD_DOTNET_VERSION: 8.0.x
+  BUILD_DOTNET_VERSION: 9.0.x
   DOTNET_NOLOGO: 1
 
 jobs:

src/Abc.Zebus.MessageDsl.Generator.Tests/Abc.Zebus.MessageDsl.Generator.Tests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
   </PropertyGroup>
 

src/Abc.Zebus.MessageDsl.Tests/Abc.Zebus.MessageDsl.Tests.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>..\Abc.Zebus.MessageDsl\Abc.Zebus.MessageDsl.snk</AssemblyOriginatorKeyFile>
     <Nullable>disable</Nullable>