[Snyk] Security upgrade sphinx from 1.7.6 to 3.3.0#23

sirinartk wants to merge 1 commit intomastersirinartk/python-guide:masterfrom

snyk-fix-da5ce0cc114887d1b6655bf381dfb0e9sirinartk/python-guide:snyk-fix-da5ce0cc114887d1b6655bf381dfb0e9Copy head branch name to clipboard