Update the NETCONF stack

Depends-on: https://gerrit.cesnet.cz/c/CzechLight/dependencies/+/2518
Change-Id: I5e1ebaac9d133639992cac3170440314c16ff4ae
diff --git a/submodules/dependencies b/submodules/dependencies
index 4044404..837e9f9 160000
--- a/submodules/dependencies
+++ b/submodules/dependencies
@@ -1 +1 @@
-Subproject commit 4044404d72ee0d6bed086c49e60fa2aee97d6317
+Subproject commit 837e9f98f3176f02b01f7e2838fc3da0f0047c71