Git commits in Moodle 3.9.x by Sander Wind

commit 299fb2f158134ae83a5a8f2e49c93baf7612ecc4
Author: Sander Wind <bandjes-moodle@intigriti.me>
Date:   Tue, 19 Jan 2021 16:05:41 +0800
Tag:    v3.9.5

MDL-70668 auth: Fix secret validation during user confirmation