fix: Remove modified_at from ignored changes on EKS addons (#2114)

Author: baibailiha

main.tf

@@ -312,12 +312,6 @@ resource "aws_eks_addon" "this" {
   resolve_conflicts        = lookup(each.value, "resolve_conflicts", null)
   service_account_role_arn = lookup(each.value, "service_account_role_arn", null)
 
-  lifecycle {
-    ignore_changes = [
-      modified_at
-    ]
-  }
-
   depends_on = [
     module.fargate_profile,
     module.eks_managed_node_group,