Git commits in Moodle 3.11.x by Issam Taboubi

commit f3499b80c6290e649e9a8ff2ee1dc765e26dc469
Author: Issam Taboubi <issam.taboubi@umontreal.ca>
Date:   Sat, 10 Apr 2021 05:10:19 +0800
Tag:    v3.11.0-beta

MDL-71303 core: HTML not escaped in block skip link