feature #21390 [HtmlSanitizer] Use the native HTML5 parser when using PHP 8.4+ (javiereguiluz)

This PR was squashed before being merged into the 7.4 branch.

Discussion
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[HtmlSanitizer] Use the native HTML5 parser when using PHP 8.4+

Fixes #21283.

Commits
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cea79c8 [HtmlSanitizer] Use the native HTML5 parser when using PHP 8.4+

Author: OskarStark

html_sanitizer.rst

@@ -29,6 +29,13 @@ You can install the HTML Sanitizer component with:
 
     $ composer require symfony/html-sanitizer
 
+.. versionadded:: 7.4
+
+    Starting in Symfony 7.4, applications running on PHP 8.4 or higher will use
+    the native HTML5 parser provided by PHP. All other applications will continue
+    to use the third-party ``masterminds/html5`` parser, which is installed
+    automatically when installing the HTML Sanitizer package.
+
 Basic Usage
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