Migrate `DataTree` to the new IR #3516

Job	Run time
test-osx (check-py38-cover)	12m 25s
test-win (3.9)	14m 33s
test-osx (check-py310-cover)	10m 47s
test-win (3.10)	13m 29s
test (check-whole-repo-tests)	3m 57s
test-osx (check-py310-nocover)	15m 49s
test-win (3.11)	14m 21s
test (lint)	59s
test-osx (check-py310-niche)	7m 24s
test-win (3.11, x86)	17m 14s
test (check-format)	54s
test-osx (check-py311-cover)	8m 20s
test (check-coverage)	24m 36s
test (check-conjecture-coverage)	2m 52s
test (check-py38-cover)	7m 36s
test (check-py38-nocover)	8m 3s
test (check-py38-niche)	5m 21s
test (check-pypy38-cover)	5m 46s
test (check-py39-cover)	7m 2s
test (check-pypy39-cover)	6m 4s
test (check-py310-cover)	5m 4s
test (check-py310-nocover)	5m 24s
test (check-py310-niche)	3m 49s
test (check-pypy310-cover)	6m 33s
test (check-py311-cover)	4m 42s
test (check-py311-nocover)	7m 7s
test (check-py311-niche)	3m 17s
test (check-py312-cover)	6m 7s
test (check-py312-nocover)	5m 58s
test (check-py312-niche)	4m 6s
test (check-quality)	3m 54s
test (check-py39-nose)	2m 47s
test (check-py39-pytest46)	3m 47s
test (check-py39-pytest54)	3m 22s
test (check-pytest62)	1m 55s
test (check-django42)	1m 41s
test (check-django41)	2m 0s
test (check-django32)	1m 44s
test (check-pandas20)	1m 30s
test (check-pandas15)	1m 29s
test (check-pandas14)	1m 33s
test (check-pandas13)	1m 18s
test (check-pandas12)	9m 27s
test (check-pandas11)	8m 57s
test (check-py38-oldestnumpy)	3m 26s
deploy	0s
	4h 48m 29s

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