Revert "fix(git): Attempt to workaround actions/checkout#1959"

Not going to rename submodule name because of this, we workaround it by other ways.

This reverts commit 2761e0b.

Signed-off-by: 林博仁(Buo-ren Lin) <buo.ren.lin@gmail.com>

.gitmodules

@@ -7,7 +7,7 @@
 #
 # Copyright 2024 林博仁(Buo-ren Lin) <buo.ren.lin@gmail.com>
 # SPDX-License-Identifier: CC-BY-SA-4.0
-[submodule "Package managers"]
+[submodule "軟體包管理器 Package managers"]
 	path = 軟體包管理器 Package managers
 	url = https://gitlab.com/libre-knowledge/package-managers.git
 	ignore = dirty