[Snyk] Security upgrade webpack-dev-server from 3.11.3 to 4.7.3#10

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

snyk-fix-672152d823fb881c520730ad189d9195simplewebrtc/simplewebrtc-demo-app:snyk-fix-672152d823fb881c520730ad189d9195Copy head branch name to clipboard