tests

chore: bump to 0.7.3 #247

Job	Run time
doc	12s
style	13s
py3.14 unit tests	15s
py3.13 unit tests	12s
py3.11 unit tests	13s
py3.10 unit tests	14s
minimum dependency versions	17s
py3.12 unit tests	12s
	1m 48s

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