no deprecation on node16?

server/src/auth/auth.ts

@@ -3,7 +3,7 @@ import { hash as argon2Hash, verify as argon2Verify } from '@node-rs/argon2';
 import { kyselyAdapter } from '@better-auth/kysely-adapter';
 import { Kysely, PostgresDialect } from 'kysely';
 import { Pool } from 'pg';
-import { sendEmail, verificationEmailHtml, resetPasswordEmailHtml } from './email';
+import { sendEmail, verificationEmailHtml, resetPasswordEmailHtml } from './email.js';
 
 const db = new Kysely({
   dialect: new PostgresDialect({

server/src/auth/email.ts

@@ -1,7 +1,7 @@
 import FormData from 'form-data';
 import Mailgun from 'mailgun.js';
 
-const mailgun = new Mailgun(FormData);
+const mailgun = new (Mailgun as any)(FormData);
 const mg = mailgun.client({
   username: 'api',
   key: process.env.MAILGUN_API_KEY || '',

server/src/auth/middleware.ts

@@ -1,5 +1,5 @@
 import { Request, Response, NextFunction } from 'express';
-import { auth } from './auth';
+import { auth } from './auth.js';
 import { fromNodeHeaders } from 'better-auth/node';
 
 declare global {