Git commits in Moodle 3.5.17 by Marina Glancy

commit 21f1221056b3fa4985eb3fb27e8cb07b2077f851
Author: Marina Glancy <marina@moodle.com>
Date:   Tue, 02 Mar 2021 02:14:35 +0800
Tag:    v3.5.17

MDL-65552 user: escape idnumber and email in table_sql