If you used an Email Sign-in, you can reset your password directly in the app
If you forget the password to your account, you can directly request a password reset email from the app. To do so, tap the Forgot your password? button on the login screen. From here, enter your email. If the email is associated with an account, a password reset email will be sent there.
✨If you used Apple Sign-in, just tap continue with Apple when prompted to sign-up or log in. If you need to change your Apple ID password, you can do that at iforgot.apple.com