[Snyk] Security upgrade webpack-dev-server from 3.11.3 to 4.8.0#31

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

snyk-fix-23fe650c4392bfff37c4868f04dfb366simplewebrtc/simplewebrtc-demo-app:snyk-fix-23fe650c4392bfff37c4868f04dfb366Copy head branch name to clipboard