UPD: removing timestamp from tags. store it only in outputs. this prevents resource tags from being updated

examples/skel/provider.tf

@@ -6,7 +6,6 @@ provider "aws" {
       Project       = var.project
       Application   = var.application
       TerraformMode = "managed"
-      LastUpdatedOn = formatdate("YYYY-MM-DD", timestamp())
       TerraformDir  = "${reverse(split("/", path.cwd))[1]}/${reverse(split("/", path.cwd))[0]}"
     }
   }
@@ -23,4 +22,6 @@ terraform {
   }
 }
 
-
+output "last-updated" {
+  value = timestamp()
+}