[3.11] gh-93738: Disallow pre-v3 syntax in the C domain (GH-97962) (#97976) Also, disable using invalid sphinx-lint 0.6.2. (cherry picked from commit f612565bd32d4ab0945798da775eea070f08b6fe) Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Ćukasz Langa <lukasz@langa.pl>