fix: change the default cluster issuer

variables.tf

@@ -17,7 +17,7 @@ variable "base_domain" {
 variable "cluster_issuer" {
   description = "SSL certificate issuer to use. Usually you would configure this value as `letsencrypt-staging` or `letsencrypt-prod` on your root `*.tf` files."
   type        = string
-  default     = "ca-issuer"
+  default     = "selfsigned-issuer"
 }
 
 variable "argocd_namespace" {