Refactor: support entire page OCR with `ocr_mode` and `ocr_languages` #6671

Job	Run time
changelog	11s
shellcheck	11s
setup (3.8)	5m 39s
setup (3.9)	5m 52s
setup (3.10)	5m 52s
setup (3.11)	5m 44s
lint (3.8)	1m 17s
check-deps (3.8)	4m 43s
lint (3.9)	1m 27s
check-deps (3.9)	4m 16s
lint (3.10)	1m 25s
check-deps (3.10)	3m 59s
lint (3.11)	1m 16s
check-deps (3.11)	3m 51s
test_ingest (3.8)	22m 30s
test_unit_no_extras (3.8)	1m 54s
test_dockerfile	18m 47s
test_ingest (3.9)	21m 45s
test_unit (3.8)	14m 56s
test_ingest (3.10)	22m 40s
test_unit (3.9)	21m 45s
test_ingest (3.11)	23m 27s
test_unit (3.10)	15m 44s
test_unstructured_api_unit (3.8)	1m 9s
test_unit (3.11)	21m 32s
test_unit_dependency_extras (3.8, csv)	2m 20s
test_unit_dependency_extras (3.8, docx)	2m 43s
test_unit_dependency_extras (3.8, odt)	2m 24s
test_unit_dependency_extras (3.8, markdown)	2m 40s
test_unit_dependency_extras (3.8, pypandoc)	2m 28s
test_unit_dependency_extras (3.8, msg)	2m 59s
test_unit_dependency_extras (3.8, pdf-image)	10m 48s
test_unit_dependency_extras (3.8, pptx)	3m 12s
test_unit_dependency_extras (3.8, xlsx)	3m 3s
	4h 24m 29s

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