[Snyk] Upgrade @testing-library/react from 12.1.2 to 12.1.5#8

snyk-bot wants to merge 1 commit intomaindbugshe2/flagui:mainfrom

snyk-upgrade-722e213e25023c5286a604c8746215e7dbugshe2/flagui:snyk-upgrade-722e213e25023c5286a604c8746215e7Copy head branch name to clipboard