GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.
For #11465 - Fix default engine for widget voice search
This was changed to 2020-04-01 in b01dbeee
I assume this was just a typo, since a lot of metrics got changed to 2021-04-01
in the same commit.