Make adjustments based on the psalm messages

Signed-off-by: Hamid Dehnavi <hamid.dev.pro@gmail.com>

apps/contactsinteraction/lib/BackgroundJob/CleanupJob.php

@@ -43,7 +43,7 @@ public function __construct(
 
 	}
 
-	protected function run($argument): void {
+	protected function run(mixed $argument): void {
 		$time = $this->time->getDateTime();
 		$time->modify('-7days');
 		$this->mapper->cleanUp($time->getTimestamp());