Bump lodash from 4.17.20 to 4.17.21#6

YuJianrong merged 1 commit intomasterYuJianrong/fast-array-diff:masterfrom

dependabot/npm_and_yarn/lodash-4.17.21YuJianrong/fast-array-diff:dependabot/npm_and_yarn/lodash-4.17.21Copy head branch name to clipboard