Update CI to use .NET 10.0 preview only

The CI workflow now targets only net10.0 and sets DOTNET_QUALITY to 'preview'. Added steps to restore .NET workloads and updated setup-dotnet action configuration for preview builds.

Author: Taiizor

.github/workflows/ci.yml

@@ -8,14 +8,15 @@ on:
 
 env:
   DOTNET_VERSION: '10.0.x'
+  DOTNET_QUALITY: 'preview'
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        framework: [net6.0, net7.0, net8.0, net9.0, net10.0]
+        framework: [net10.0]
 
     steps:
     - name: Checkout code
@@ -25,6 +26,10 @@ jobs:
       uses: actions/setup-dotnet@v5
       with:
         dotnet-version: ${{ env.DOTNET_VERSION }}
+        dotnet-quality: ${{ env.DOTNET_QUALITY }}
+
+    - name: Restore .NET workloads
+      run: dotnet workload restore
 
     - name: Restore dependencies
       run: dotnet restore