To avoid getting zuul-jobs getting rotten without known, we need
to run them weekly.
This should solve issue where some less common job get broken and
we find out much later, when we have to make other unrelated changes.
Change-Id: I3a95526fdb83b8aef12ee2ee09a089990e75cb59
Depends-On: https://review.opendev.org/#/c/748706
0d886253f6