v1.40.0

This release allows controlled tasks to retrieve original_run_number for replayed runs.

What's Changed

• Fix link in operation_order.md by @knopers8 in #727
• [core] propagate original_run_number as FairMQ property to tasks by @knopers8 in #726
• document what is safe about SafeStatus and SafeState by @knopers8 in #728
• [core] Demote cleanup script failures to Support by @knopers8 in #729

Full Changelog: v1.39.1...v1.40.0