Bump postcss, @vue/cli-service, autoprefixer, css-loader, optimize-css-assets-webpack-plugin, postcss-import, postcss-loader, postcss-url and vue-loader in /projetInstall

Bump postcss, @vue/cli-service, autoprefixer, css-loader, optimize-css-assets-webpack-plugin, postcss-import, postcss-loader, postcss-url and vue-loader in /projetInstall #25