Update matcha-gtk-theme to 20210112
- Fixed gnome-shell calendar popover datemenu-today-button issue
Signed-off-by: Algent Albrahimi <email@example.com>
Test Plan: Switch system theme to all Matcha theme variants and check if they are working as expected.
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Differential Revision: https://dev.getsol.us/D10368