pin github and netlify providers

website/deploy/main.tf

@@ -13,6 +13,8 @@ GitHub Resources
 
 provider "github" {
   organization = "${local.github_org}"
+
+  version = "~> 2.0.0"
 }
 
 // Configure the repository with the dynamically created Netlify key.
@@ -43,6 +45,10 @@ Netlify Resources
 -------------------------------------------------------------------
 */
 
+provider "netlify" {
+  version = "~> 0.1.0"
+}
+
 // A new, unique deploy key for this specific website
 resource "netlify_deploy_key" "key" {}