Pin dev dependencies #54

Job	Run time
Lint / Lint and type check with Python 3.11	12s
Lint / Lint and type check with Python 3.13	15s
Lint / Lint and type check with Python 3.14	16s
Lint / Lint and type check with Python 3.10	15s
Build / Build source distribution	7s
Lint / Lint and type check with Python 3.9	14s
Lint / Lint and type check with Python 3.12	11s
Test / Test with Python 3.11	10s
Test / Test with Python 3.9	11s
Test / Test with Python 3.12	10s
Test / Test with Python 3.14	12s
Test / Test with Python 3.13	13s
Test / Test with Python 3.10	14s
Release	0s
	2m 40s

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