Metadata service disable by default

This is a custom release to support metadata_service and it is disabled by default.
To enable metadata_service for VPC VSIs, add metadata_service_enabled = true to the terraform config in the instance resource (ibm_is_instance).

Gartner-Release-2

Modified instance delete logic. Removed calls to stop the instance before delete, and removed volume attachment deletion.

Gartner-Release-1

Retry on authentication.

Gartner-Release

IBM Cloud Terraform provider custom build