Bump json5, css-loader, style-loader and webpack#26

dependabot[bot] wants to merge 1 commit intomasterbastuijnman/leanapi:masterfrom

dependabot/npm_and_yarn/json5-and-css-loader-and-style-loader-and-webpack-2.2.2bastuijnman/leanapi:dependabot/npm_and_yarn/json5-and-css-loader-and-style-loader-and-webpack-2.2.2Copy head branch name to clipboard