Update dlpack to v1.2 #5923

Job	Run time
build_linux (3.10)	29m 34s
build_linux (3.12)	29m 57s
build_linux (3.14)	29m 17s
build_windows (3.10)	44m 8s
build_linux (3.11)	27m 34s
build_linux (3.13)	29m 29s
build_windows (3.12)	47m 26s
build_windows (3.14)	45m 42s
build_windows (3.13)	44m 23s
build_windows (3.11)	47m 50s
test_examples_linux (3.11, false, ubuntu-22.04)	8m 35s
test_linux (3.10, false, ubuntu-22.04)	10m 17s
test_linux (3.13, false, ubuntu-22.04)	10m 26s
test_linux (3.11, false, ubuntu-22.04)	10m 28s
test_linux (3.12, false, ubuntu-22.04)	10m 14s
test_linux (3.14, false, ubuntu-22.04)	9m 49s
array-api-conformity (3.10, false, ubuntu-22.04)	5m 38s
upload_linux	0s
test_windows (3.11, false, windows-latest)	15m 34s
test_windows (3.10, false, windows-latest)	15m 13s
test_windows (3.12, false, windows-latest)	14m 48s
test_windows (3.14, false, windows-latest)	14m 33s
test_windows (3.13, false, windows-latest)	15m 33s
upload_windows	0s
Clean up anaconda packages	0s
	8h 36m 28s

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