[Snyk] Upgrade chai from 4.1.2 to 4.5.0#24

tiff-es wants to merge 1 commit intomastertiff-es/react-component-mounting-and-unmounting-lab-dc-web-091619:masterfrom

snyk-upgrade-8de5d8ba5c7eae18c3e8c16564c9ec9ctiff-es/react-component-mounting-and-unmounting-lab-dc-web-091619:snyk-upgrade-8de5d8ba5c7eae18c3e8c16564c9ec9cCopy head branch name to clipboard