chore(package): update webpack-hot-middleware to version 2.12.2
chore(package): update webpack-hot-middleware to version 2.12.2

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brettsnaidero/bsd,ueno-llc/starter-kit-universally,ctrlplusb/react-universally,deanslamajr/trakta.co,ueno-llc/starter-kit-universally,oyeanuj/react-universally,sergiokopplin/react-universally,diondirza/react-universally,kennethtruong/react-webapp,pebie/react-universally-node-config,LorbusChris/react-universally,igorsvee/react-ssr