Merge branch '6.4' into 7.2

* 6.4:
  [Yaml] fix support for years outside of the 32b range on x86 arch on PHP 8.4
  use STARTTLS for SMTP with MailerSend

Author: nicolas-grekas

src/Symfony/Component/Mailer/Bridge/MailerSend/Transport/MailerSendSmtpTransport.php

@@ -22,7 +22,7 @@ final class MailerSendSmtpTransport extends EsmtpTransport
 {
     public function __construct(string $username, #[\SensitiveParameter] string $password, ?EventDispatcherInterface $dispatcher = null, ?LoggerInterface $logger = null)
     {
-        parent::__construct('smtp.mailersend.net', 587, true, $dispatcher, $logger);
+        parent::__construct('smtp.mailersend.net', 587, false, $dispatcher, $logger);
 
         $this->setUsername($username);
         $this->setPassword($password);

src/Symfony/Component/Yaml/Inline.php

@@ -744,7 +744,7 @@ private static function evaluateScalar(string $scalar, int $flags, array &$refer
                             if (false !== $scalar = $time->getTimestamp()) {
                                 return $scalar;
                             }
-                        } catch (\ValueError) {
+                        } catch (\DateRangeError|\ValueError) {
                             // no-op
                         }