[Snyk] Security upgrade sphinx from 3.2.0 to 3.3.0#5

roru78 wants to merge 1 commit intomainroru78/packaging.python.org:mainfrom

snyk-fix-48de52cdbb04723ff48c1564cfd6c86broru78/packaging.python.org:snyk-fix-48de52cdbb04723ff48c1564cfd6c86bCopy head branch name to clipboard