[COMPLIANCE] Add Copyright and License Headers (#2607)

Co-authored-by: Alex <alex-ju@users.noreply.github.com>

Author: hashicorp-copywrite[bot]

packages/components/src/services/hds-time.ts

@@ -1,3 +1,8 @@
+/**
+ * Copyright (c) HashiCorp, Inc.
+ * SPDX-License-Identifier: MPL-2.0
+ */
+
 import Service from '@ember/service';
 import { task, timeout } from 'ember-concurrency';
 import { tracked } from '@glimmer/tracking';