Replacing "Terraform Cloud" with "HCP Terraform" (#213)

.goreleaser.yml

@@ -7,7 +7,7 @@ before:
 builds:
 - env:
     # goreleaser does not work with CGO, it could also complicate
-    # usage by users in CI/CD systems like Terraform Cloud where
+    # usage by users in CI/CD systems like HCP Terraform where
     # they are unable to install libraries.
     - CGO_ENABLED=0
   mod_timestamp: '{{ .CommitTimestamp }}'