test(e2e): Use vault version from variable (#6589)

enos/modules/test_e2e/main.tf

@@ -81,6 +81,11 @@ variable "vault_root_token" {
   type        = string
   default     = ""
 }
+variable "vault_version" {
+  description = "Version of vault being tested, used to determine which tests to run"
+  type        = string
+  default     = ""
+}
 variable "aws_access_key_id" {
   description = "Access Key Id for AWS IAM user used in dynamic host catalogs"
   type        = string
@@ -281,6 +286,7 @@ resource "enos_local_exec" "run_e2e_test" {
     VAULT_TOKEN                                  = var.vault_root_token
     E2E_VAULT_ADDR_PUBLIC                        = var.vault_addr_public
     E2E_VAULT_ADDR_PRIVATE                       = var.vault_addr_private
+    E2E_VAULT_VERSION                            = var.vault_version
     E2E_AWS_ACCESS_KEY_ID                        = var.aws_access_key_id
     E2E_AWS_SECRET_ACCESS_KEY                    = var.aws_secret_access_key
     E2E_AWS_HOST_SET_FILTER                      = var.aws_host_set_filter1