[3.12] GH-121970: Use ``SphinxDirective`` instead of ``Directive`` (GH-121972) (#122009)

GH-121970: Use ``SphinxDirective`` instead of ``Directive`` (GH-121972)
(cherry picked from commit ac39151a09fc9857e64d7b8f7eff926ec0ba6c0b)

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