API changes: `Field` and `FieldSet` #134

Job	Run time
py3.12 \| macos \| unit tests	14m 1s
mypy	3m 41s
py3.12 \| macos \| integration tests	45m 19s
py3.12 \| ubuntu \| unit tests	12m 51s
py3.12 \| ubuntu \| integration tests	19m 27s
py3.12 \| windows \| unit tests	19m 57s
py3.12 \| windows \| integration tests	32m 1s
py3.10 \| ubuntu \| unit tests	12m 14s
py3.11 \| ubuntu \| unit tests	11m 51s
merge-test-artifacts	3s
	2h 51m 25s

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