[COMPLIANCE] Add Copyright and License Headers (#28609)

hashicorp-copywrite[bot] · web-flow · commit 511903cf0a59 · 2025-01-27T17:18:19.000+01:00
Co-authored-by: hashicorp-copywrite[bot] &lt;110428419+hashicorp-copywrite[bot]@users.noreply.github.com&gt;
diff --git a/internal/services/apimanagement/api_management_subscription_data_source.go b/internal/services/apimanagement/api_management_subscription_data_source.go
@@ -1,3 +1,6 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: MPL-2.0
+
 package apimanagement
 
 import (
