updated Maven submodule reference

diff --git a/maven b/maven
index 1469db31065d9332edfa2889205495d2e287b425..fad8023ebba18365237912c58bca86eb691f2369 160000 (submodule)
--- a/maven
+++ b/maven
@@ -1 +1 @@
-Subproject commit 1469db31065d9332edfa2889205495d2e287b425
+Subproject commit fad8023ebba18365237912c58bca86eb691f2369