Update JS dependencies (#15591)

* Update JS dependencies

- Update all JS dependencies
- Regenerate SVGs
- Remove unused postcss dependency
- Remove removed webpack option

* re-add postcss

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

webpack.config.js

@@ -88,7 +88,6 @@ export default {
         minify: true
       }),
       new CssMinimizerPlugin({
-        sourceMap: true,
         minimizerOptions: {
           preset: [
             'default',