You know the drill, Updates

includes/vendor/symfony/polyfill-php72/README.md

@@ -6,6 +6,12 @@ This component provides functions added to PHP 7.2 core:
 - [`spl_object_id`](https://php.net/spl_object_id)
 - [`stream_isatty`](https://php.net/stream_isatty)
 
+And also functions added to PHP 7.2 mbstring:
+
+- [`mb_ord`](https://php.net/mb_ord)
+- [`mb_chr`](https://php.net/mb_chr)
+- [`mb_scrub`](https://php.net/mb_scrub)
+
 On Windows only:
 
 - [`sapi_windows_vt100_support`](https://php.net/sapi_windows_vt100_support)
@@ -16,11 +22,12 @@ Moved to core since 7.2 (was in the optional XML extension earlier):
 - [`utf8_decode`](https://php.net/utf8_decode)
 
 Also, it provides constants added to PHP 7.2:
+
 - [`PHP_FLOAT_*`](https://php.net/reserved.constants#constant.php-float-dig)
 - [`PHP_OS_FAMILY`](https://php.net/reserved.constants#constant.php-os-family)
 
 More information can be found in the
-[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
+[main Polyfill README](https://github.com/symfony/polyfill/blob/main/README.md).
 
 License
 =======