fix(queue): route cloud jobs to dedicated queues

Use config-based queue selection for deployment and scheduled jobs so cloud dispatches deployments to `deployments` and scheduled jobs to `crons`, while self-hosted keeps using `high`.

Add coverage for deployment queue helper, start action routing, and scheduled job manager routing.

app/Actions/Service/StartService.php

@@ -4,13 +4,17 @@ namespace App\Actions\Service;
 
 use App\Models\Service;
 use Lorisleiva\Actions\Concerns\AsAction;
+use Lorisleiva\Actions\Decorators\JobDecorator;
 use Symfony\Component\Yaml\Yaml;
 
 class StartService
 {
     use AsAction;
 
-    public string $jobQueue = 'high';
+    public function configureJob(JobDecorator $job): void
+    {
+        $job->onQueue(deployment_queue());
+    }
 
     public function handle(Service $service, bool $pullLatestImages = false, bool $stopBeforeStart = false)
     {