Build: Declare typing-extensions as a core dependency #9204

Job	Run time
cibw-dev-env-smoke-test	42s
integration-test	11m 57s
integration-test-adls	1m 42s
integration-test-s3	1m 25s
integration-test-gcs	1m 17s
lint-and-unit-test (3.12)	3m 27s
lint-and-unit-test (3.10)	3m 22s
lint-and-unit-test (3.11)	3m 45s
lint-and-unit-test (3.13)	3m 27s
lint-and-unit-test (3.14)	2m 42s
integration-coverage-report	31s
	34m 17s

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