Update lxml to 4.9.3#267

pyup-bot wants to merge 1 commit intomastersource-nerd/twitter-scraper:masterfrom

pyup-update-lxml-4.3.3-to-4.9.3source-nerd/twitter-scraper:pyup-update-lxml-4.3.3-to-4.9.3Copy head branch name to clipboard