Make sure checkins from crons work and keep working#3155

antonpirker wants to merge 18 commits into

antonpirker/fix-celery-beat-refactoringgetsentry/sentry-python:antonpirker/fix-celery-beat-refactoringfrom

antonpirker/fix-crons-checkin-on-successgetsentry/sentry-python:antonpirker/fix-crons-checkin-on-successCopy head branch name to clipboard