Test

Add Support for Python 3.15 #360

Job	Run time
get-environments	9s
hatch-test.py3.15-pre (PRE-RELEASE DEPENDENCIES)	20s
hatch-test.py3.15-stable	20s
hatch-test.py3.10-stable	5m 11s
Tests pass in all hatch environments	4s
	6m 4s

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