automation: use newer Windows base image
It looks like the old base image disappeared. Let's use a newer image that exists today. Differential Revision: https://phab.mercurial-scm.org/D6671
Please register or sign in to comment
It looks like the old base image disappeared. Let's use a newer image that exists today. Differential Revision: https://phab.mercurial-scm.org/D6671