Libmozevent

- Simplify EphemeralStorage, make it work across separate workers (50)
- Run tests twice, once without and once with Redis, fixes 42 (43)
- Remove PhabricatorPatch tuple as it is not used (and already defined in libmozdata) (49)
- Add a few more pre-commit checkers (48)
- Use f-strings instead of string concatenation
- bus: Mixed mini cleanups (44)

- Add a module ("storage") to store data in a temporary fashion
- Require at least aioamqp 0.13.0
- monitoring: Use async Taskcluster services
- monitoring: Check on tasks every 7 seconds instead of 1
- monitoring: Remove support for restarting failed tasks

- monitoring: Use Taskcluster instance url in emails, fixes 12 (34)
- pulse: Support routing by exchange/topic, fixes 28. (32)
- bus: Add a utility function to dispatch messages from a queue to multiple queues (31)
- Use TaskclusterConfig from official library (15)

events: Don't log whenever we put a message in a queue (29)

- bus: Log skipping of output message creation in bus.run only when an output queue is defined (25)
- bus: Add an option to bus.run to run parsing tasks in parallel (26)

Use "/" virtualhost for AMQP by default