ISAICP-7477: Some grammar.

tests/features/eulogin/eulogin.feature

@@ -350,7 +350,7 @@ Feature: Log in through EU Login
     When I fill in "E-mail address" with "joe@example.com"
     When I fill in "Password" with "123"
     And I press "Log in"
-    Then I should see the error message "Registering new accounts to Joinup is temporary disabled. Please come back later."
+    Then I should see the error message "Registering new accounts to Joinup is temporarily disabled. Please come back later."
     # Check that the user is not logged in.
     And I should see the link "Sign in"
 

web/modules/custom/joinup_eulogin/src/Event/Subscriber/JoinupEuLoginCasEventsSubscriber.php

@@ -143,7 +143,7 @@ public function prepareAttributes(CasPostValidateEvent $event): void {
   public function disableRegistration(CasPreRegisterEvent $event): void {
     if ($this->state->get('joinup_eulogin.registration_disabled', FALSE)) {
       $event
-        ->cancelAutomaticRegistration($this->t('Registering new accounts to Joinup is temporary disabled. Please come back later.'))
+        ->cancelAutomaticRegistration($this->t('Registering new accounts to Joinup is temporarily disabled. Please come back later.'))
         ->stopPropagation();
     }
   }