chore: update debian compatibility level

Updated debian/compat from 9 to 12 to use newer Debian packaging
standards.
This change is necessary to maintain compatibility with current Debian
packaging tools and practices.
The compat file specifies the Debian Policy compatibility level for
the package.

chore: 更新 Debian 兼容性级别

将 debian/compat 从 9 更新到 12，以使用更新的 Debian 打包标准。
此更改对于保持与当前 Debian 打包工具和实践的兼容性是必要的。
compat 文件指定了软件包的 Debian 政策兼容性级别。

Author: 18202781743

debian/compat

@@ -1 +1 @@
-9
+12