gh-89038: [doc] update dis.findlinestarts documentation for changes related to PEP-626 (GH-94247) (GH-94449)

(cherry picked from commit d68f2d27bbf85f3573a08fc7554889e1733a30f0)

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>

Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
1 file changed