Bump json5, html-webpack-plugin, ts-loader and webpack#30

dependabot[bot] wants to merge 1 commit intomasterfayfang/ZFlowchart:masterfrom

dependabot/npm_and_yarn/json5-and-html-webpack-plugin-and-ts-loader-and-webpack--removedfayfang/ZFlowchart:dependabot/npm_and_yarn/json5-and-html-webpack-plugin-and-ts-loader-and-webpack--removedCopy head branch name to clipboard