The problem
When Terraform 0.13.4
[https://www.hashicorp.com/blog/announcing-hashicorp-terraform-0-15-general-availability]
was released, various provisioners, including the Chef provisioner, were
deprecated
[https://discuss.hashicorp.com/t/notice-terraform-to-begin-deprecation-of-vendor-tool-specific-provisioners-starting-in-terraform-0-13-4/13997]
with no replacement. They were later removed in Terraform 0.15
[https://www.hashicorp.com/blog/announcing-hashicorp-terraform-0-15-general-availa
