Merge branch '7.2' into 7.3

* 7.2:
  fix EmojiTransliterator return type compatibility with PHP 8.5
  Bump Symfony version to 7.2.7
  Update VERSION for 7.2.6
  Update CHANGELOG for 7.2.6
  Bump Symfony version to 6.4.22
  Update VERSION for 6.4.21
  Update CONTRIBUTORS for 6.4.21
  Update CHANGELOG for 6.4.21
  Fix return type is non-nullable
  Fix overwriting an array element

Author: xabbuh

Tests/RequestTest.php

@@ -589,7 +589,6 @@ public function testGetUri()
 
         $server['REDIRECT_QUERY_STRING'] = 'query=string';
         $server['REDIRECT_URL'] = '/path/info';
-        $server['SCRIPT_NAME'] = '/index.php';
         $server['QUERY_STRING'] = 'query=string';
         $server['REQUEST_URI'] = '/path/info?toto=test&1=1';
         $server['SCRIPT_NAME'] = '/index.php';
@@ -716,7 +715,6 @@ public function testGetUriForPath()
 
         $server['REDIRECT_QUERY_STRING'] = 'query=string';
         $server['REDIRECT_URL'] = '/path/info';
-        $server['SCRIPT_NAME'] = '/index.php';
         $server['QUERY_STRING'] = 'query=string';
         $server['REQUEST_URI'] = '/path/info?toto=test&1=1';
         $server['SCRIPT_NAME'] = '/index.php';