add copyright header

ChristopherHX · ChristopherHX · commit ae2202da9e0b · 2025-02-05T22:26:32.000+01:00
diff --git a/modules/actions/artifacts.go b/modules/actions/artifacts.go
@@ -1,3 +1,6 @@
+// Copyright 2025 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
 package actions
 
 import (
