Git commits in Moodle 3.9.1 by Bas Brands

commit 57b920b8b7e26daa57711515f1a1aacb25e11192
Author: Bas Brands <bas@moodle.com>
Date:   Wed, 24 Jun 2020 15:06:21 +0800
Tag:    v3.9.1

MDL-69122 report_competency: fix clearfix


commit fb625069cf6ab2705dfc0b218619acb5268ca24d
Author: Bas Brands <bas@moodle.com>
Date:   Thu, 11 Jun 2020 16:22:00 +0800
Tag:    v3.9.1

MDL-69021 theme_boost: improve link styles in alerts