[Snyk] Security upgrade mailgun-js from 0.8.2 to 0.17.0#19

mkucharz wants to merge 1 commit intomastereyedea-io/syncano-socket-magiclink:masterfrom

snyk-fix-2f601139875424f03e4c784c576b9f7feyedea-io/syncano-socket-magiclink:snyk-fix-2f601139875424f03e4c784c576b9f7fCopy head branch name to clipboard