Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 356638cd41c6c8dfb94002b45a59164e0c93cb24
  - Allow triggering verification from gerrit messages

    Change-Id: I4da480e622d00c89d20605f881e7f1b0284c8caa
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 957e9ae..356638c 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 957e9ae9cb4020e68d597744dd426dfe02c31b43
+Subproject commit 356638cd41c6c8dfb94002b45a59164e0c93cb24