Bump lodash, browser-sync and gulp in /js/alert#10

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dependabot/npm_and_yarn/js/alert/lodash-and-lodash-and-browser-sync-and-gulp-4.17.21Ping-Foundation/STM-DEC-2019:dependabot/npm_and_yarn/js/alert/lodash-and-lodash-and-browser-sync-and-gulp-4.17.21Copy head branch name to clipboard