fix: validate application branch updates

app/Livewire/Project/Application/Source.php

@@ -6,6 +6,7 @@ use App\Models\Application;
 use App\Models\GithubApp;
 use App\Models\GitlabApp;
 use App\Models\PrivateKey;
+use App\Rules\ValidGitBranch;
 use Illuminate\Foundation\Auth\Access\AuthorizesRequests;
 use Livewire\Attributes\Locked;
 use Livewire\Attributes\Validate;
@@ -29,7 +30,7 @@ class Source extends Component
     #[Validate(['required', 'string'])]
     public string $gitRepository;
 
-    #[Validate(['required', 'string'])]
+    #[Validate(['required', 'string', new ValidGitBranch])]
     public string $gitBranch;
 
     #[Validate(['nullable', 'string', 'regex:/^[a-zA-Z0-9][a-zA-Z0-9._\-\/]*$/'])]