Update black to 23.12.1 #423

Job	Run time
matrix-builder	12s
Skipping on Python 3.11 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	16s
Skipping on Python 3.12 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	19s
Test on Python 3.7 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	27s
Test on Python 3.7 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	27s
Test on Python 3.8 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	1m 17s
Test on Python 3.8 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 8s
Test on Python 3.9 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	1m 18s
Test on Python 3.9 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 12s
Test on Python 3.10 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	1m 13s
Test on Python 3.10 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 16s
Test on Python 3.11 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 18s
Test on Python 3.12 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	2m 1s
Test on Python pypy-3.9 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	1m 40s
Test on Python pypy-3.9 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 34s
Test on Python pypy-3.10 and ubuntu-20.04 with celery>=4.0.0,<5.0.0	1m 36s
Test on Python pypy-3.10 and ubuntu-20.04 with celery>=5.0.0,<6.0.0	1m 31s
	18m 45s

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