[Snyk] Security upgrade webpack-dev-server from 2.7.1 to 4.0.0#91

one3chens wants to merge 1 commit intomasterfeicc/angular-cli:masterfrom

snyk-fix-d221aaa61d7c14eed95371dca7d25a67feicc/angular-cli:snyk-fix-d221aaa61d7c14eed95371dca7d25a67Copy head branch name to clipboard