fix(deps): update terraform kind to ~> 0.7 (#752)

Author: renovate-bot

anthos-attached-clusters/kind/provider.tf

@@ -18,7 +18,7 @@ terraform {
   required_providers {
     kind = {
       source  = "tehcyx/kind"
-      version = "~> 0.6"
+      version = "~> 0.7"
     }
     google = {
       source  = "hashicorp/google"