Align CIAM explanatory notification text to the left (#30144)

GitOrigin-RevId: 3d511d8a2756c9c1b1697ee040684c6e4513e0f9

services/web/frontend/stylesheets/pages/login.scss

@@ -11,6 +11,10 @@
     @include heading-sm;
   }
 
+  .explanatory-ciam-notification .notification-content {
+    text-align: left;
+  }
+
   form {
     padding-top: var(--spacing-08);