[3.13] Docs: Upgrade Sphinx to 7.4 (GH-121987) (#122010)

Docs: Upgrade Sphinx to 7.4 (GH-121987)
(cherry picked from commit 420d94312824825a18fa1fd9a36773626a54d97a)

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