fix(git-import): explicitly specify ssh key and remove duplicate validation rules

- Add -i flag to explicitly specify ssh key path in git ls-remote operations
- Remove static $rules properties in favor of dynamic rules() method
- Fix test syntax error

app/Livewire/Project/New/PublicGitRepository.php

@@ -63,16 +63,6 @@ class PublicGitRepository extends Component
 
     public bool $new_compose_services = false;
 
-    protected $rules = [
-        'repository_url' => ['required', 'string'],
-        'port' => 'required|numeric',
-        'isStatic' => 'required|boolean',
-        'publish_directory' => 'nullable|string',
-        'build_pack' => 'required|string',
-        'base_directory' => 'nullable|string',
-        'docker_compose_location' => \App\Support\ValidationPatterns::filePathRules(),
-    ];
-
     protected function rules()
     {
         return [