[Snyk] Security upgrade webpack-dev-server from 3.11.3 to 4.0.0#22

one000mph wants to merge 1 commit intomastersimplewebrtc/simplewebrtc-demo-app:masterfrom

snyk-fix-07a3faef0150a55e28f1c8f6db3372bbsimplewebrtc/simplewebrtc-demo-app:snyk-fix-07a3faef0150a55e28f1c8f6db3372bbCopy head branch name to clipboard