ci: Updated to use 9.0.x dotnet.

Author: HavenDV

.github/workflows/main.yml

@@ -58,7 +58,7 @@ jobs:
       - name: Setup .NET
         uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: 8.0.x
+          dotnet-version: 9.0.x
 
       - name: Generate code
         run: dotnet run --project src/libs/AutoSDK.CLI