git: update to v2.18.0

[ps-cgit] / git

diff --git a/git b/git
index fc54c1af3ec09bab8b8ea09768c2da4069b7f53e..53f9a3e157dbbc901a02ac2c73346d375e24978c 160000 (submodule)
--- a/git
+++ b/git
@@ -1 +1 @@
-Subproject commit fc54c1af3ec09bab8b8ea09768c2da4069b7f53e
+Subproject commit 53f9a3e157dbbc901a02ac2c73346d375e24978c