change Terraform Cloud to HCP Terraform for consistency

Author: andrewwilson5454

content/terraform/v1.6.x/docs/language/modules/syntax.mdx

@@ -102,7 +102,7 @@ version that meets the constraint.
 
 Version constraints are supported only for modules installed from a module
 registry, such as the public [Terraform Registry](https://registry.terraform.io/)
-or [Terraform Cloud's private module registry](/terraform/cloud-docs/registry).
+or [HCP Terraform's private module registry](/terraform/cloud-docs/registry).
 Other module sources can provide their own versioning mechanisms within the
 source string itself, or might not support versions at all. In particular,
 modules sourced from local file paths do not support `version`; since