Issue #3402961 by bluegeek9: issues reported by phpstan

src/Controller/LoginController.php

@@ -27,7 +27,7 @@ use Symfony\Component\HttpFoundation\Request;
  *
  * @package Drupal\ldap_sso\Controller
  */
-class LoginController extends ControllerBase {
+final class LoginController extends ControllerBase {
 
   /**
    * Detail log.
@@ -118,7 +118,7 @@ class LoginController extends ControllerBase {
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container) {
-    return new static(
+    return new self(
       $container->get('logger.channel.ldap_sso'),
       $container->get('config.factory'),
       $container->get('ldap_authentication.login_validator_sso'),

src/Form/LdapSsoAdminForm.php

@@ -15,7 +15,7 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
 /**
  * Provides the configuration form SSO under LDAP configuration.
  */
-class LdapSsoAdminForm extends ConfigFormBase {
+final class LdapSsoAdminForm extends ConfigFormBase {
 
 
   /**
@@ -37,7 +37,7 @@ class LdapSsoAdminForm extends ConfigFormBase {
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container) {
-    return new static(
+    return new self(
       $container->get('config.factory'),
       $container->get('entity_type.manager')
     );