more spectral extraction improvements for downstream use #11479

Job	Run time
Code style checks	15s
PEP 517	23s
Security audit	20s
Python 3.11 with coverage checking, all deps, and remote data	32m 29s
OS X - Python 3.12	8m 58s
Windows - Python 3.10	21m 8s
Linux - Python 3.13	14m 9s
Python 3.13 with latest dev versions of key dependencies, and remote data	35m 28s
Python 3.11 with stable versions of dependencies and Roman	13m 11s
Upload Coverage	7s
	2h 6m 28s

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