feat: add ndjson support #15323

Job	Run time
check-licenses (3.12)	3m 39s
check-deps (3.9)	1m 9s
check-deps (3.10)	1m 10s
setup (3.9)	6s
check-extras (3.9)	24s
check-deps (3.11)	1m 9s
setup (3.10)	8s
check-extras (3.10)	23s
check-deps (3.12)	1m 9s
setup (3.11)	8s
check-extras (3.11)	22s
setup (3.12)	11s
check-extras (3.12)	24s
shellcheck	7s
shfmt	35s
changelog	10s
lint (3.9)	1m 39s
lint (3.10)	1m 45s
setup_ingest (3.9)	5m 35s
setup_ingest (3.10)	5m 30s
lint (3.11)	1m 48s
test_dockerfile	29m 35s
test_unit_no_extras (3.10)	1m 50s
test_unit (3.9)	20m 20s
test_unit (3.10)	20m 35s
test_unit (3.11)	19m 22s
test_unstructured_api_unit (3.10)	34s
test_unit (3.12)	20m 41s
test_unit_dependency_extras (3.10, csv)	2m 11s
test_unit_dependency_extras (3.10, docx)	2m 43s
test_unit_dependency_extras (3.10, odt)	2m 16s
test_unit_dependency_extras (3.10, markdown)	2m 6s
test_unit_dependency_extras (3.10, pypandoc)	2m 47s
test_unit_dependency_extras (3.10, pdf-image)	15m 39s
test_unit_dependency_extras (3.10, pptx)	2m 36s
test_unit_dependency_extras (3.10, xlsx)	2m 39s
test_ingest_src (3.9)	8m 1s
test_ingest_src (3.10)	36m 52s
	3h 38m 18s

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