Merge branch '6.3' into 6.4

* 6.3:
  append instead of replacing potentially non-existent named-arguments
  [Validator] added missing Polish translation
  add translations for the MacAddress constraint
  remove invalid changelog entry
  Added missing Serbian (sr_Latn) translations
  [Cache][DependencyInjection][Lock][Mailer][Messenger][Notifier][Translation] Url decode username and passwords from `parse_url()` results
  [Security] added missing Albanian translations
  [Validator] Add missing Hungarian translation
  [Serializer] Fix using deserialization path
  [Validator] Add missing hr translation

Author: nicolas-grekas

Transport/Dsn.php

@@ -37,24 +37,24 @@ public function __construct(string $scheme, string $host, string $user = null, #
 
     public static function fromString(#[\SensitiveParameter] string $dsn): self
     {
-        if (false === $parsedDsn = parse_url($dsn)) {
+        if (false === $params = parse_url($dsn)) {
             throw new InvalidArgumentException('The mailer DSN is invalid.');
         }
 
-        if (!isset($parsedDsn['scheme'])) {
+        if (!isset($params['scheme'])) {
             throw new InvalidArgumentException('The mailer DSN must contain a scheme.');
         }
 
-        if (!isset($parsedDsn['host'])) {
+        if (!isset($params['host'])) {
             throw new InvalidArgumentException('The mailer DSN must contain a host (use "default" by default).');
         }
 
-        $user = '' !== ($parsedDsn['user'] ?? '') ? urldecode($parsedDsn['user']) : null;
-        $password = '' !== ($parsedDsn['pass'] ?? '') ? urldecode($parsedDsn['pass']) : null;
-        $port = $parsedDsn['port'] ?? null;
-        parse_str($parsedDsn['query'] ?? '', $query);
+        $user = '' !== ($params['user'] ?? '') ? rawurldecode($params['user']) : null;
+        $password = '' !== ($params['pass'] ?? '') ? rawurldecode($params['pass']) : null;
+        $port = $params['port'] ?? null;
+        parse_str($params['query'] ?? '', $query);
 
-        return new self($parsedDsn['scheme'], $parsedDsn['host'], $user, $password, $port, $query);
+        return new self($params['scheme'], $params['host'], $user, $password, $port, $query);
     }
 
     public function getScheme(): string