Update JS and PY dependencies, build for es2020 browsers (#28977)

- Update all JS dependencies minus @mcaptcha/vanilla-glue
- Fix new lint errors
- Regenerate SVGs
- Switch to maintained stylelint stylistic plugin
- Tested Mermaid, Citation, Swagger, sorting
- Raise ESBuild target to `es2020` as dictated by `pretty-ms`
dependency.

webpack.config.js

@@ -104,7 +104,7 @@ export default {
     minimize: isProduction,
     minimizer: [
       new EsbuildPlugin({
-        target: 'es2015',
+        target: 'es2020',
         minify: true,
         css: !LightningCssMinifyPlugin,
         legalComments: 'none',