[GATE-1102]: Fix webpackDevServer config for webpack-dev-server v5 compatibility#202

Alex Sannikov (xalechez) merged 2 commits into

mainSkyscanner/backpack-react-scripts:mainfrom

GATE-1102-fix-webpack-dev-server-configSkyscanner/backpack-react-scripts:GATE-1102-fix-webpack-dev-server-configCopy head branch name to clipboard