Update the NETCONF stack

Depends-on: https://gerrit.cesnet.cz/c/CzechLight/dependencies/+/2113
Change-Id: I385912b6ab786cac2315a799d2c1a08282ac5645
diff --git a/submodules/dependencies b/submodules/dependencies
index 2d91a55..7be2d40 160000
--- a/submodules/dependencies
+++ b/submodules/dependencies
@@ -1 +1 @@
-Subproject commit 2d91a55add68ebcc21322956e51ebf51458fc2c3
+Subproject commit 7be2d40a853715cb25c3f71df3c6b7e93a5847bc