Fixed drupal 11 issues

src/Services/QueryService.php

@@ -3,6 +3,7 @@
 namespace Drupal\module_usage\Services;
 
 use Drupal\Core\Database\Connection;
+use Drupal\Core\Database\Database;
 
 /**
  * The query service, responsible for all database interaction.
@@ -291,7 +292,8 @@ class QueryService {
    * Roll back a transaction.
    */
   private function rollback() : void {
-    $this->database->rollBack();
+    $transaction = $this->database->startTransaction();
+      $transaction->rollBack();
   }
 
   /**