Update sphinx to 7.2.6#285

pyup-bot wants to merge 1 commit intomasterrtfol/aiohttp-sse-client:masterfrom

pyup-update-sphinx-3.5.3-to-7.2.6rtfol/aiohttp-sse-client:pyup-update-sphinx-3.5.3-to-7.2.6Copy head branch name to clipboard