Update docs for change to kms_key (#14515)
Update docs for change to kms_key (#14515)

* update for change to kms_key

* fix indentation

* add ARN as option

* remove ARN

* update kms_key description
hashicorp/vault,rnaveiras/vault,hashicorp/vault,hashicorp/vault,hashicorp/vault,hashicorp/vault,hashicorp/vault,rnaveiras/vault,rnaveiras/vault,rnaveiras/vault,rnaveiras/vault