Bump nodemailer from 6.1.1 to 7.0.11 in /20190520/bidding-list#152

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dependabot/npm_and_yarn/20190520/bidding-list/nodemailer-7.0.11donghee/spikecode:dependabot/npm_and_yarn/20190520/bidding-list/nodemailer-7.0.11Copy head branch name to clipboard