update build.cs

Author: WeihanLi

build.cs

@@ -3,7 +3,8 @@
 {
     foreach (var script in scripts)
     {
-        CommandExecutor.ExecuteCommandAndOutput("dotnet-exec {script} --dry-run").EnsureSuccessExitCode();
+        Console.WriteLine($"Compile script {script} test");
+        CommandExecutor.ExecuteCommandAndOutput($"dotnet-exec {script} --dry-run").EnsureSuccessExitCode();
     }
 }