Make the rustc-pull workflow run less often #2243
Merged
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Recently, I made the rustc-pull workflow run every day, with the idea that it would create a "rolling" PR that would be merged from tiem to time. However, it is not clear when should such a PR be merged, and merging it every day creates unnecessary churn and a lot of useless merge commits.
This PR changes the cron workflow so that it runs twice a week (Monday and Thursday), to give us a faster notice when there are merge conflicts, but doesn't create a new PR every day. If there is a PR that is more than a week old, the workflow will notify us on Zulip.