git: update to v2.15.1

[ps-cgit] / git

diff --git a/git b/git
index 4384e3cde2ce8ecd194202e171ae16333d241326..9b185bef0c15cec1ea8753ce091e42ea041f2c31 160000 (submodule)
--- a/git
+++ b/git
@@ -1 +1 @@
-Subproject commit 4384e3cde2ce8ecd194202e171ae16333d241326
+Subproject commit 9b185bef0c15cec1ea8753ce091e42ea041f2c31