chore: align control-plane behavior

app/Http/Controllers/Webhook/Github.php

@@ -79,7 +79,7 @@ class Github extends Controller
             if ($x_github_event === 'push') {
                 $applications = $this->manualWebhookApplications($applications->where('git_branch', $branch), $full_name);
                 if ($applications->isEmpty()) {
-                    return response("Nothing to do. No applications found with deploy key set, branch is '$branch' and Git Repository name has $full_name.");
+                    return response([$this->unauthenticatedManualWebhookFailurePayload()]);
                 }
             }
             if ($x_github_event === 'pull_request') {
@@ -88,7 +88,7 @@ class Github extends Controller
                 }
                 $applications = $this->manualWebhookApplications($applications, $full_name);
                 if ($applications->isEmpty()) {
-                    return response("Nothing to do. No applications found for repo $full_name and branch '$base_branch'.");
+                    return response([$this->unauthenticatedManualWebhookFailurePayload()]);
                 }
             }
             $applicationsByServer = $applications->groupBy(function ($app) {
@@ -239,7 +239,7 @@ class Github extends Controller
                 }
             }
 
-            return response($return_payloads);
+            return $this->manualWebhookResponse($return_payloads);
         } catch (Exception $e) {
             return handleError($e);
         }