Update tox to 4.0.4#540

pyup-bot wants to merge 1 commit intomasterdchaplinsky/aiohttp_validate:masterfrom

pyup-update-tox-3.13.2-to-4.0.4dchaplinsky/aiohttp_validate:pyup-update-tox-3.13.2-to-4.0.4Copy head branch name to clipboard