[Snyk] Upgrade: , babel-loader, case-sensitive-paths-webpack-plugin, css-loader, dotenv, eslint-loader, eslint-plugin-flowtype, eslint-plugin-import, eslint-plugin-jsx-a11y, eslint-plugin-react, html-webpack-plugin, mini-css-extract-plugin, optimize-css-assets-webpack-plugin, pnp-webpack-plugin, postcss-flexbugs-fixes, postcss-preset-env, postcss-safe-parser, resolve, resolve-url-loader, semver, terser-webpack-plugin, ts-pnp, webpack, webpack-dev-server#2