Bump webpack-dev-server from 2.11.2 to 3.11.0 in /myapp#1

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dependabot/npm_and_yarn/myapp/webpack-dev-server-3.11.0TravisSpangle/Docker-For-Rails-Developers:dependabot/npm_and_yarn/myapp/webpack-dev-server-3.11.0Copy head branch name to clipboard