Merge pull request #16 from sylac/fix/define-net-version

set net to 9

Author: sylac

.github/workflows/ci-cd.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: "*.0.x"
+          dotnet-version: "9.0.x"
 
       - name: 'Install Latest .NET MAUI Workload'
         run: dotnet workload install maui