Git commits in Moodle 3.9.10 by Shamim Rezaie

commit 9a18af46d78a4cac9a424f6870a4a69bbdf9b096
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Fri, 10 Sep 2021 22:47:44 +0800
Tag:    v3.9.10

MDL-71240 filter_tex: Add allowlist for filter_tex_sanitize_formula


commit ed3ee9dd5ca4d2179b26e5bbb04b12d4621be836
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Fri, 16 Jul 2021 19:08:36 +0800
Tag:    v3.9.10

MDL-71240 filter_tex: Sanitize the whole latex document


commit 87aaffc3d196b73e433c9136621a94f64dbac249
Author: Shamim Rezaie <shamim@moodle.com>
Date:   Fri, 16 Jul 2021 18:00:07 +0800
Tag:    v3.9.10

MDL-71240 filter_tex: Support paranoid mode for openin_any in latex