Update generation code, drop netstandard2.0 and support net7.0 and net8.0 only, fix also issue #3

.github/workflows/build.yml

@@ -12,23 +12,18 @@ on:
       - 'docs/**'
       - '*.md'
 
-env:
-  DOTNET_CLI_TELEMETRY_OPTOUT: false
-  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
-
 jobs:
   build:
     runs-on: windows-latest
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup .NET 8 SDK
       uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: '8.0.x'
-        dotnet-quality: 'preview'
+        global-json-file: ./global.json
 
     - name: Pack
       run: dotnet pack Vortice.Win32.sln --configuration Release --output artifacts