Get Schema
Returns a single schema on a connection.
The schema is returned from the connection's cached schema set. If the
upstream source has changed since the last inspection, the result may be
stale.
> 📘 Trigger [`POST /api/connections/{id}/schemas/refresh`](../../../../../api-reference/schemas/refresh)
> and wait for it to complete before fetching this endpoint if you need
> up-to-date field definitions.
