Update sphinx to 5.0.2#159

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

pyup-update-sphinx-3.5.3-to-5.0.2rtfol/aiohttp-sse-client:pyup-update-sphinx-3.5.3-to-5.0.2Copy head branch name to clipboard