fix: upgrade react-router-dom from 5.1.2 to 5.2.1#1804

mtrezza merged 4 commits intomasterparse-community/parse-dashboard:masterfrom

snyk-upgrade-30e03831b0df4bdff5917218914c38fdparse-community/parse-dashboard:snyk-upgrade-30e03831b0df4bdff5917218914c38fdCopy head branch name to clipboard