Add tag_bindings to Artifact Registry and Secret Manager modules. (#3220)

* Add `tag_bindings` to Artifact Registry and Secret Manager modules.

* Fix linting

* Fix README

modules/artifact-registry/main.tf

@@ -1,5 +1,5 @@
 /**
- * Copyright 2024 Google LLC
+ * Copyright 2025 Google LLC
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -217,3 +217,10 @@ resource "google_artifact_registry_repository" "registry" {
   }
 
 }
+
+resource "google_tags_location_tag_binding" "binding" {
+  for_each  = var.tag_bindings
+  parent    = "//artifactregistry.googleapis.com/${google_artifact_registry_repository.registry.id}"
+  location  = var.location
+  tag_value = each.value
+}