feat: add ndjson support #15318

Job	Run time
check-extras (3.9)	23s
check-deps (3.9)	1m 11s
check-extras (3.10)	28s
setup (3.9)	6s
check-extras (3.11)	24s
check-deps (3.10)	1m 2s
setup (3.10)	5s
check-extras (3.12)	28s
check-deps (3.11)	1m 5s
setup (3.11)	6s
check-deps (3.12)	1m 47s
setup (3.12)	5s
shellcheck	8s
changelog	5s
check-licenses (3.12)	3m 56s
shfmt	34s
setup_ingest (3.9)	7s
lint (3.9)	1m 46s
setup_ingest (3.10)	9s
lint (3.10)	1m 24s
lint (3.11)	1m 29s
test_unit_no_extras (3.10)	1m 56s
test_dockerfile	29m 59s
test_unit (3.9)	20m 34s
test_ingest_src (3.9)	10m 8s
test_unit (3.10)	19m 32s
test_ingest_src (3.10)	38m 39s
test_unstructured_api_unit (3.10)	35s
test_unit (3.11)	19m 28s
test_unit (3.12)	20m 56s
test_unit_dependency_extras (3.10, csv)	2m 1s
test_unit_dependency_extras (3.10, docx)	2m 24s
test_unit_dependency_extras (3.10, odt)	2m 23s
test_unit_dependency_extras (3.10, markdown)	1m 59s
test_unit_dependency_extras (3.10, pypandoc)	2m 12s
test_unit_dependency_extras (3.10, pdf-image)	17m 7s
test_unit_dependency_extras (3.10, pptx)	2m 42s
test_unit_dependency_extras (3.10, xlsx)	2m 3s
	3h 31m 26s

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