Update email on sponsored families signup to update on change (#9649)

apps/web/src/app/admin-console/settings/sponsored-families.component.ts

@@ -64,7 +64,7 @@ export class SponsoredFamiliesComponent implements OnInit, OnDestroy {
             true,
           ),
         ],
-        updateOn: "blur",
+        updateOn: "change",
       }),
     });
   }