Fix copyright attribution

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix-appservice-double-puppet/tasks/main.yml

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2024 Suguru Hirahara
+# SPDX-FileCopyrightText: 2024 Slavi Pantaleev
 #
 # SPDX-License-Identifier: AGPL-3.0-or-later