Update babel-preset-es2015 to the latest version 🚀#53

greenkeeper[bot] wants to merge 1 commit intomasterwework/express-universal-query-validator:masterfrom

greenkeeper/babel-preset-es2015-6.22.0wework/express-universal-query-validator:greenkeeper/babel-preset-es2015-6.22.0Copy head branch name to clipboard