public function updateU($password,$email): ?Utilisateur
{
    $result= $this->getEntityManager()
                  ->createQueryBuilder()
                  ->update(Utilisateur::class,'u')
                  ->set('u.password',':password')
                  ->where('u.email',':email')
                  ->setParameter('password',$password)
                  ->setParameter('email',$email)
                  ->getQuery()
                  ->getSingleScalarResult();  
    return $result;

}

/**
 * @Route("/Reset", name="Reset")
 * Method({"GET"})
 */
public function New(
    Request $request,
    UtilisateurRepository $URe,
    UserPasswordEncoderInterface $userPasswordEncoder,
    EntityManagerInterface $entityManager,
    MailerInterface $mailer
) {
    $o = '';
    $Varmail = $_GET['email'];

    $user = new Utilisateur($o);
    $form = $this->createFormBuilder($user)
        ->add('password', PasswordType::class)
        ->getForm();
    $form->handleRequest($request);
    if ($form->isSubmitted() && $form->isValid()) {
        $to = $Varmail;
        $sujet = 'Password Changed';
        $Message = "Bonjour $Varmail Votre password est changé !";
        $pass = $user->setPassword(
            $userPasswordEncoder->encodePassword(
                $user,
                $form->get('password')->getData()
            )
        );

        $URe->updateU($pass, $Varmail);

        $Mai = new MailerController();
        $Mai->sendEmail($mailer, $to, $sujet, $Message);
    }
    return $this->render('modifier_mdp/index.html.twig', [
        'form' => $form->createView(),
    ]);
}