feat(integrations): Add support for celery-redbeat cron tasks #1201

Job	Run time
Data Processing (py27)	4m 6s
Data Processing (latest) (3.5, ubuntu-20.04)	1m 7s
Data Processing (pinned) (3.5, ubuntu-20.04)	3m 18s
Data Processing (latest) (3.7, ubuntu-20.04)	1m 28s
Data Processing (pinned) (3.6, ubuntu-20.04)	1m 37s
Data Processing (latest) (3.8, ubuntu-20.04)	2m 0s
Data Processing (pinned) (3.7, ubuntu-20.04)	3m 5s
Data Processing (latest) (3.9, ubuntu-20.04)	1m 7s
Data Processing (pinned) (3.8, ubuntu-20.04)	2m 4s
Data Processing (latest) (3.11, ubuntu-20.04)	3m 14s
Data Processing (latest) (3.12, ubuntu-20.04)	2m 32s
Data Processing (pinned) (3.9, ubuntu-20.04)	2m 2s
Data Processing (pinned) (3.10, ubuntu-20.04)	1m 44s
Data Processing (pinned) (3.11, ubuntu-20.04)	3m 45s
Data Processing (pinned) (3.12, ubuntu-20.04)	2m 29s
All Data Processing tests passed	1s
	35m 39s

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