PR0: forward batch_size parameter to PyArrow Scanner #7722

Job	Run time
integration-test-gcs	1m 17s
integration-test-s3	1m 7s
integration-test-adls	1m 18s
lint-and-unit-test (3.11)	2m 36s
integration-test	11m 13s
lint-and-unit-test (3.13)	2m 21s
lint-and-unit-test (3.12)	2m 36s
lint-and-unit-test (3.10)	2m 35s
integration-coverage-report	35s
	25m 38s

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