Admin message

Starting at or around 8:00am on Thursday the 2nd of July, git.uwaterloo.ca and git-ist.private.uwaterloo.ca will be upgraded to version 19.1. Service interruption between 1 to 2 hours is expected. Please review a list of deprecations and breaking changes here: https://gitlab-com.gitlab.io/cs-tools/gitlab-cs-tools/what-is-new-since/?tab=deprecations&minRemovalVersion=19.00&maxRemovalVersion=19.01&minVersion=19.0&maxVersion=19.1