Merge pull request #20650 from tekhnee/patch-1

Adhere to EMailTemplate interface in constructor call.

lib/private/Mail/Mailer.php

@@ -154,7 +154,7 @@ public function createEMailTemplate(string $emailId, array $data = []): IEMailTe
 			return new $class(
 				$this->defaults,
 				$this->urlGenerator,
-				$this->l10n,
+				$this->l10nFactory,
 				$emailId,
 				$data
 			);