[3.12] GH-125722: Use long options for Sphinx (GH-129039) (#129042)

GH-125722: Use long options for Sphinx (GH-129039)
(cherry picked from commit 4967fa6a9c0db7ea3ade905d724a04688cfc7a5e)

Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com>