Tests

Fix: make transforms AsSet and AsTimeSeries serializable #467

Job	Run time
lint	1m 25s
test (ubuntu-latest, 3.10, jax)	8m 16s
test (ubuntu-latest, 3.10, tensorflow)	20m 54s
test (ubuntu-latest, 3.10, torch)	10m 50s
test (ubuntu-latest, 3.11, jax)	8m 32s
test (ubuntu-latest, 3.11, tensorflow)	23m 8s
test (ubuntu-latest, 3.11, torch)	11m 54s
test (windows-latest, 3.10, jax)	13m 58s
test (windows-latest, 3.10, tensorflow)	33m 31s
test (windows-latest, 3.10, torch)	20m 42s
test (windows-latest, 3.11, jax)	16m 6s
test (windows-latest, 3.11, tensorflow)	31m 15s
test (windows-latest, 3.11, torch)	21m 23s
	3h 41m 54s

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