[Feature] TensorDict.consolidate #2745

Job	Run time
build-wheel-linux (3.8, cp38-cp38, --extra-index-url https://download.pytorch.org/whl/cpu, "['cpu...	1m 1s
build-wheel-windows (3.8, 3.8)	4m 6s
build-wheel-linux (3.9, cp39-cp39, --extra-index-url https://download.pytorch.org/whl/cpu, "['cpu...	1m 3s
build-wheel-windows (3.9, 3.9)	1m 59s
build-wheel-linux (3.10, cp310-cp310, --extra-index-url https://download.pytorch.org/whl/cpu, "['...	1m 4s
build-wheel-windows (3.10, 3.10.3)	3m 58s
build-wheel-linux (3.11, cp311-cp311, --extra-index-url https://download.pytorch.org/whl/cpu, "['...	1m 2s
build-wheel-windows (3.11, 3.11)	2m 23s
build-wheel-linux (3.12, cp312-cp312, --extra-index-url https://download.pytorch.org/whl/cpu, "['...	1m 12s
build-wheel-windows (3.12, 3.12)	2m 40s
test-wheel (linux, ubuntu-20.04, 3.8)	34s
test-wheel (linux, ubuntu-20.04, 3.9)	37s
test-wheel (linux, ubuntu-20.04, 3.10)	38s
test-wheel (linux, ubuntu-20.04, 3.11)	38s
test-wheel (linux, ubuntu-20.04, 3.12)	43s
test-wheel-windows (3.8)	2m 22s
test-wheel-windows (3.9)	2m 27s
test-wheel-windows (3.10)	2m 32s
test-wheel-windows (3.11)	2m 33s
test-wheel-windows (3.12)	2m 32s
	36m 4s

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