Update metadata to 54.0.44-preview

DX Compiler release for August 2023
Drop net6.0 and add net8.0 support.

.github/workflows/build.yml

@@ -24,13 +24,11 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v3
 
-    - name: Add msbuild to PATH
-      uses: microsoft/setup-msbuild@v1.1
-
-    - name: Install .NET 7 SDK
-      uses: actions/setup-dotnet@v2
+    - name: Setup .NET 8 SDK
+      uses: actions/setup-dotnet@v3
       with:
-        dotnet-version: 7.0.100
+        dotnet-version: '8.0.x'
+        dotnet-quality: 'preview'
 
     - name: Pack
       run: dotnet pack Vortice.Win32.sln --configuration Release --output artifacts
@@ -38,10 +36,3 @@ jobs:
     - name: Publish to NuGet
       if: github.event_name == 'push'
       run: dotnet nuget push artifacts/**/*.nupkg -k ${{secrets.NUGET_TOKEN}} --skip-duplicate --source https://api.nuget.org/v3/index.json
-
-    - name: Upload Package Artifacts
-      uses: actions/upload-artifact@v3
-      with:
-        name: Packages
-        path: artifacts\*.nupkg
-        if-no-files-found: error