Upgrade to Miro platform 2.0

Miro has released a new major 2.0 version of their SDKs/APIs.
Upgrade as per guide:
https://developers.miro.com/docs/migrate-from-v1-to-v2?utm_campaign=pl_launch_dev_11052022&utm_content=pl_launch_dev_11052022&utm_medium=email_action&utm_source=customer.io 