Log Message:
py-celery: updated to 4.4.2

4.4.0
=======
- This version is officially supported on CPython 2.7,
  3.5, 3.6, 3.7 & 3.8 and is also supported on PyPy2 & PyPy3.
- Kombu 4.6.7
- Task class definitions can have retry attributes

4.4.0rc5
========
- Kombu 4.6.7
- Events bootstep disabled if no events
- SQS - Reject on failure
- Add a concurrency model with ThreadPoolExecutor
- Add auto expiry for DynamoDB backend
- Store extending result in all backends
- Fix a race condition when publishing a very large chord header
- Improve docs and test matrix

4.4.0rc4
========
- Kombu 4.6.6
- Py-AMQP 2.5.2
- Python 3.8
- Numerious bug fixes
- PyPy 7.2

4.4.0rc3
========
- Kombu 4.6.4
- Billiard 3.6.1
- Py-AMQP 2.5.1
- Avoid serializing datetime
- Fix: (group() | group()) not equals single group
- Revert "Broker connection uses the heartbeat setting from app config.
- Additional file descriptor safety checks.
- fixed call for null args
- Added generic path for cache backend.
- Fix Nested group(chain(group)) fails
- Use self.run() when overriding __call__
- Fix termination of asyncloop
- Fix migrate task to work with both v1 and v2 of the message protocol.
- Updating task_routes config during runtime now have effect.

4.4.0rc2
========
- Many bugs and regressions fixed.
- Kombu 4.6.3

4.4.0rc1
========
- Python 3.4 drop
- Kombu 4.6.1
- Replace deprecated PyMongo methods usage
- Pass task request when calling update_state
- Fix bug in remaining time calculation in case of DST time change
- Fix missing task name when requesting extended result
- Fix `collections` import issue on Python 2.7
- handle `AttributeError` in base backend exception deserializer
- Make `AsynPool`'s `proc_alive_timeout` configurable
- AMQP Support for extended result
- Fix SQL Alchemy results backend to work with extended result
- Fix restoring of exceptions with required param
- Django: Re-raise exception if `ImportError` not caused by missing tasks
  module
- Django: fixed a regression putting DB connections in invalid state when
  `CONN_MAX_AGE != 0`
- Fixed `OSError` leading to lost connection to broker
- Fixed an issue with inspect API unable get details of Request
- Fix mogodb backend authentication
- Change column type for Extended Task Meta args/kwargs to LargeBinary
- Handle http_auth in Elasticsearch backend results
- Fix task serializer being ignored with `task_always_eager=True`
- Fix `task.replace` to work in `.apply() as well as `.apply_async()`
- Fix sending of `worker_process_init` signal for solo worker
- Fix exception message upacking
- Add delay parameter function to beat_schedule
- Multiple documentation updates