feat: report exception when notifying failure of attempt grading

Kanbanize: #taskid 51138

question.php

@@ -250,7 +250,7 @@ public function get_matching_answer(array $response) {
             return $answer;
         } catch (moodle_exception $e) {
             // Notify of the error.
-            $this->step->inc_attempts();
+            $this->step->inc_attempts($e);
             throw $e;
         }
     }