Update certifi to 2020.4.5.1#167

pyup-bot wants to merge 1 commit intomasterAl1rios/libpythonpro:masterfrom

pyup-update-certifi-2018.4.16-to-2020.4.5.1Al1rios/libpythonpro:pyup-update-certifi-2018.4.16-to-2020.4.5.1Copy head branch name to clipboard