documentation: fix data types table formatting #2616

Job	Run time
build_and_test (3.11, 18.x, :lint:python:client:common:smoke:stubs:)	4m 45s
build_and_test (3.11, 18.x, :server-1-of-2:)	5m 56s
build_and_test (3.11, 18.x, :server-2-of-2:)	9m 22s
build_and_test (3.11, 18.x, :nbrowser-^[A-G]:)	11m 22s
build_and_test (3.11, 18.x, :nbrowser-^[H-L]:)	5m 9s
build_and_test (3.11, 18.x, :nbrowser-^[M-O]:)	11m 32s
build_and_test (3.11, 18.x, :nbrowser-^[P-S]:)	6m 11s
build_and_test (3.11, 18.x, :nbrowser-^[^A-S]:)	4m 47s
build_and_test (:lint:python:client:common:smoke:, 18.x, 3.10)	5m 3s
candidate	6s
	1h 4m 13s

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