Bump json5, html-webpack-plugin, less-loader, webpack and webpack-cli in /demos/router-playground-lazy-load-angular6#486

dependabot[bot] wants to merge 1 commit intomasterbennadel/JavaScript-Demos:masterfrom

dependabot/npm_and_yarn/demos/router-playground-lazy-load-angular6/json5-and-html-webpack-plugin-and-less-loader-and-webpack-and-webpack-cli--removedbennadel/JavaScript-Demos:dependabot/npm_and_yarn/demos/router-playground-lazy-load-angular6/json5-and-html-webpack-plugin-and-less-loader-and-webpack-and-webpack-cli--removedCopy head branch name to clipboard