[Snyk] Security upgrade lxml from 4.5.0 to 4.9.1#12

snyk-bot wants to merge 1 commit intomasterHzoj/python-goof:masterfrom

snyk-fix-134e939f55e461c26be1c206747899aaHzoj/python-goof:snyk-fix-134e939f55e461c26be1c206747899aaCopy head branch name to clipboard