feat: to/from PyTorch JaggedTensor #2947

Job	Run time
Linux-ROOT	4m 17s
Linux-cppyy	1m 3s
Run Tests (windows-latest, 3.13, x64, full)	8m 28s
Run Tests (windows-latest, 3.12, x64, full)	4m 49s
Run Tests (windows-latest, 3.11, x64, full)	4m 7s
Run Tests (windows-latest, 3.10, x64, full)	4m 16s
Run Tests (windows-latest, 3.9, x64, full)	3m 40s
Run Tests (windows-latest, 3.8, x64, full)	3m 44s
Run Tests (ubuntu-latest, 3.13, x64, full)	4m 23s
Run Tests (ubuntu-latest, 3.12, x64, full)	6m 11s
Run Tests (ubuntu-latest, 3.11, x64, full)	6m 10s
Run Tests (ubuntu-latest, 3.10, x64, full)	5m 10s
Run Tests (ubuntu-latest, 3.9, x64, full)	5m 6s
Run Tests (ubuntu-latest, 3.8, x64, full)	5m 19s
Run Tests (macos-13, 3.13, x64, full)	6m 41s
Run Tests (macos-13, 3.12, x64, full)	10m 37s
Run Tests (macos-13, 3.11, x64, full)	6m 19s
Run Tests (macos-13, 3.10, x64, full)	7m 8s
Run Tests (macos-13, 3.9, x64, full)	8m 27s
Run Tests (macos-13, 3.8, x64, full)	11m 2s
Run Tests (3.9, x86, windows-latest, full)	4m 5s
Run Tests (3.9, x86, windows-latest, numpy1)	4m 40s
Run Tests (3.8, x64, ubuntu-latest, minimal)	3m 9s
Run Tests (pypy3.9, x64, ubuntu-latest, pypy)	2m 51s
Run Tests (3.11, x64, ubuntu-latest, ml)	4m 48s
pass-tests	4s
	2h 16m 34s

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