Automatic merge from submit-queue (batch tested with PRs 47948, 48631, 48693, 48549, 47593)

OpenStack for cloud-controller-manager

**What this PR does / why we need it**:
This implements the `NodeAddressesByProviderID` and `InstanceTypeByProviderID` methods used by the cloud-controller-manager to the OpenStack provider. The instance type returned is the flavor name, for consistency `InstanceType` has been implemented too returning the same value.

```release-note
NONE
```

This is part of #47257 cc @wlan0