💬 Improve Delete Account description and confirmation (#661)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

frontend/src/components/UserSettings/DeleteAccount.tsx

@@ -19,8 +19,8 @@ const DeleteAccount: React.FC = () => {
           Delete Account
         </Heading>
         <Text>
-          Are you sure you want to delete your account? This action cannot be
+          Permanently delete your data and everything associated with your
-          undone.
+          account.
         </Text>
         <Button
           bg="ui.danger"

frontend/src/components/UserSettings/DeleteConfirmation.tsx

@@ -74,7 +74,8 @@ const DeleteConfirmation: React.FC<DeleteProps> = ({ isOpen, onClose }) => {
             <AlertDialogBody>
               All your account data will be{' '}
               <strong>permanently deleted.</strong> If you are sure, please
-              click <strong>'Confirm'</strong> to proceed.
+              click <strong>"Confirm"</strong> to proceed. This action cannot be
+              undone.
             </AlertDialogBody>
 
             <AlertDialogFooter gap={3}>