ci: simplify NuGet push command (#629)

Author: fgreinacher

.github/workflows/ci.yml

@@ -74,8 +74,10 @@ jobs:
           name: NuGet packages
           path: packages
       - name: Push packages        
-        # The find,xargs chain below seems unnecessarily complex, but is required to work around https://github.com/NuGet/Home/issues/4393 :/
-        run: find packages -name '*.nupkg' | xargs -i dotnet nuget push --api-key ${{ secrets.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json {}
+        run: | 
+          dotnet nuget push "*.nupkg" 
+             --api-key ${{ secrets.NUGET_API_KEY }}
+             --source https://api.nuget.org/v3/index.json
       - uses: dotnet/nbgv@v0.3.1
         id: nbgv
       - name: Create GitHub release