Git commits in Moodle 3.9.10 by Huong Nguyen

commit 4fae57fc971485bb3c01030be51666224579b119
Author: Huong Nguyen <huongnv13@gmail.com>
Date:   Sun, 01 Aug 2021 23:24:46 +0800
Tag:    v3.9.10

MDL-71797 quiz: Improve the checks when fetching user's attempts