switch convert_unknown_ndarray_subclasses to False #3472

Job	Run time
jsonschema	0s
pre-commit	18s
core / Load tox environments	6s
core / Python 3.13 coverage	2m 44s
core / Python 3.12 coverage	2m 16s
core / Python 3.11 coverage	2m 2s
core / Python 3.10 coverage	2m 13s
core / Python 3.9 coverage	2m 18s
asdf-schemas / Load tox environments	5s
test / Load tox environments	8s
dev / Load tox environments	4s
compatibility / Load tox environments	4s
oldest / Load tox environments	4s
dev / py310-devdeps-parallel (ubuntu-latest)	1m 26s
dev / py311-devdeps-parallel (ubuntu-latest)	1m 25s
dev / py312-devdeps-parallel (ubuntu-latest)	1m 34s
dev / py313-devdeps-parallel (ubuntu-latest)	1m 46s
dev / py311-pytestdev-parallel (ubuntu-latest)	53s
compatibility / compatibility (ubuntu-latest)	3m 10s
asdf-schemas / asdf-standard (ubuntu-latest)	43s
asdf-schemas / asdf-transform-schemas (ubuntu-latest)	1m 38s
oldest / py39-oldestdeps-parallel (ubuntu-latest)	1m 5s
test / py311-parallel (macos-latest)	45s
test / py311-parallel (windows-latest)	2m 16s
	29m 3s

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