Fix phpstan issues.

app/Api/V1/Requests/Data/Bulk/TransactionRequest.php

@@ -62,7 +62,7 @@ class TransactionRequest extends FormRequest
     }
 
     /**
-     * @return string[]
+     * @return array
      */
     public function rules(): array
     {

app/Api/V1/Requests/Models/Account/UpdateRequest.php

@@ -101,6 +101,7 @@ class UpdateRequest extends FormRequest
      */
     public function rules(): array
     {
+        /** @var Account $account */
         $account        = $this->route()->parameter('account');
         $accountRoles   = implode(',', config('firefly.accountRoles'));
         $types          = implode(',', array_keys(config('firefly.subTitlesByIdentifier')));