joblib_1_1_0

[griembauer]

This PR updates the python joblib library to 1.1.0 as it may otherwise lead to errors when multiprocessing in scikit-learn:

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LokyProcess-7 failed with traceback:
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Traceback (most recent call last):
File "/usr/lib/python3.9/site-packages/joblib/externals/loky/backend/popen_loky_posix.py", line 199, in <module>
process_obj = pickle.load(from_parent)
File "/usr/lib/python3.9/site-packages/joblib/externals/loky/backend/queues.py", line 75, in _setstate_
self._after_fork()
File "/usr/lib/python3.9/multiprocessing/queues.py", line 69, in _after_fork
self._reset(after_fork=True)
File "/usr/lib/python3.9/multiprocessing/queues.py", line 73, in _reset
self._notempty._at_fork_reinit()
AttributeError: '_SafeQueue' object has no attribute '_notempty'