Internal: Fix mailer dsn migration when using tls

Author: AngelFQC

src/CoreBundle/Migrations/Schema/V200/Version20250707212800.php

@@ -70,7 +70,7 @@ private function migrateMailConf(string $oldMailConfPath): array
             if ('ssl' === $smtpSecure) {
                 $mailerScheme = 'smtps';
             } elseif ('tls' === $smtpSecure) {
-                $query = '?encryption=tls';
+                $query = '?require_tls=true';
             }
         }
 

src/CoreBundle/Migrations/Schema/V200/Version20250721200725.php

@@ -38,7 +38,7 @@ public function up(Schema $schema): void
                 if ('ssl' === $smtpSecure) {
                     $mailerScheme = 'smtps';
                 } elseif ('tls' === $smtpSecure) {
-                    $query = '?encryption=tls';
+                    $query = '?require_tls=true';
                 }
             }