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Update dependency pytest to v8.3.4 (#308) #66

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Job	Run time
docs	20s
check (pylint)	14s
sphinx (four)	34s
check (pycodestyle)	8s
coverage	20s
check (black)	8s
test (3.9)	17s
check (mypy)	18s
test (3.10)	17s
test (3.11)	25s
test (3.12)	30s
test (3.13)	25s
	3m 56s