Update versions

terraform.tf

@@ -2,8 +2,8 @@ terraform {
   required_providers {
     linode = {
       source  = "linode/linode"
-      version = ">= 1.28.0"
+      version = ">= 2.8.0"
     }
   }
-  required_version = ">= 1.2.4"
+  required_version = ">= 1.5.7, < 1.6.0"
 }