chore(publish): use latest dotnet sdk (#25)

## Summary
- update the publish workflow to install only the latest supported .NET
SDK, currently 10.x
- leave the build workflow validating all supported target frameworks

Author: ahanoff

.github/workflows/publish.yaml

@@ -14,10 +14,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v5
         with:
-          dotnet-version: |
-            8.x
-            9.x
-            10.x
+          dotnet-version: '10.x'
           dotnet-quality: 'ga'
 
       - name: Restore dependencies