force dry run via start arg

sh.actions.package-cleanup/Program.cs

@@ -3,6 +3,13 @@ using sh.actions.package_cleanup.Service;
 
 var builder = Host.CreateApplicationBuilder(args);
 
+// Check for --dry-run argument
+var isDryRun = args.Contains("--dry-run");
+if (isDryRun)
+{
+    Environment.SetEnvironmentVariable("DRY_RUN", "true");
+}
+
 builder.Configuration
     .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
     .AddJsonFile("appsettings.local.json", optional: true, reloadOnChange: true)
@@ -20,5 +27,4 @@ builder.Logging.AddConsole();
 builder.Logging.SetMinimumLevel(LogLevel.Debug);
 
 var host = builder.Build();
-Console.WriteLine("STARTING");
 await host.RunAsync();