Add new cleanup task

Add a new cleanup task that will remove all past runs of task_clean_up_tasks and task_clean_old_task, which are not interesting yet take up 99.999% of the task history page.

requested review from @mohammad.torkashvand

assigned to @karel.vanklink

added 1 commit

• a7bac28c - Add new cleanup task

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added 2 commits

• 40cebd39 - Update timing of cleanup tasks, move db queries to processes service
• 541e21b0 - update documentation of services and schedules modules

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added 2 commits

• bec6196a - Fix import in processes service
• bfb2c569 - Improve consistency of method name

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resolved all threads

approved this merge request

merged