Update debian/copyright

#461Pull RequestFantu 创建于 2024-09-07已合并

Fantucommented

In recent [Debian packaging improvement](https://github.com/linuxmint/cinnamon-screensaver/commit/96e53956e445a7e2225330b7b26e29a91aa9a90d) I missed updating d/copyright

合并状态:已合并合并于 2024-11-03 关闭于 2024-11-03 0 条评论