minor #19564 [AssetMapper] Adding updater to comparison table (ThomasLandauer)

This PR was squashed before being merged into the 6.4 branch.

Discussion
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[AssetMapper] Adding updater to comparison table

Page: https://symfony.com/doc/6.4/frontend.html#using-php-twig

Reason: It's a cool feature :-)

Commits
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8733549 [AssetMapper] Adding updater to comparison table

Author: javiereguiluz

frontend.rst

@@ -37,6 +37,7 @@ Supports TypeScript               :ref:`yes <asset-mapper-ts>`        yes
 Removes comments from JavaScript  no                                  yes
 Removes comments from CSS         no                                  no
 Versioned assets                  always                              optional
+Can update 3rd party packages     yes                                 yes :ref:`[3] <ux-note-3>`
 ================================  ==================================  ==========
 
 .. _ux-note-1:
@@ -46,6 +47,14 @@ need to use their native tools for pre-compilation. Also, some features (like
 Vue single-file components) cannot be compiled down to pure JavaScript that can
 be executed by a browser.
 
+.. _ux-note-2:
+
+**[2]** There are some `PostCSS`_ plugins available to remove comments from CSS files.
+
+.. _ux-note-3:
+
+**[3]** Update checkers are available for NPM, e.g. `npm-check`.
+
 .. _frontend-asset-mapper:
 
 AssetMapper (Recommended)