Updates dotfiles: c970b7e Updates modules/git

diff --git a/dotfiles b/dotfiles
index a9d25c7c412a076d7fadcd4f4f3756a75d818ad8..c970b7e01cb6032cb2ce38c69b9ffc7823179d7b 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit a9d25c7c412a076d7fadcd4f4f3756a75d818ad8
+Subproject commit c970b7e01cb6032cb2ce38c69b9ffc7823179d7b