Add SeasonGrouper, SeasonResampler #15364

Job	Run time
detect ci trigger	4s
Event File	2s
ubuntu-latest py3.10	9m 38s
ubuntu-latest py3.12	11m 12s
macos-latest py3.10	6m 7s
macos-latest py3.12	8m 33s
windows-latest py3.10	16m 0s
windows-latest py3.12	16m 57s
ubuntu-latest py3.10 bare-minimum	1m 33s
ubuntu-latest py3.10 min-all-deps	7m 1s
ubuntu-latest py3.12 all-but-numba	8m 43s
ubuntu-latest py3.11 all-but-dask	6m 14s
ubuntu-latest py3.12 flaky	1m 43s
	1h 33m 47s

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