support for `automated_microdeposits_enabled` when creating link token

[harisrahman]

Many banking institutions don't work without enabling automated_microdeposits_enabled. I contacted plaid dev support team and they suggested to enable it.

https://plaid.com/docs/api/tokens/#link-token-create-request-auth-automated-microdeposits-enabled https://plaid.com/docs/auth/coverage/automated/#initialize-link-with-a-link_token

[harisrahman]

Stripe dev support's email regarding the same :

[harisrahman]

@brentscheffler please review.