Update git submodules

* Update docs/submodules/releng from branch 'master'
  to a67786b44aaa5518caaf941309607b1461bf662c
  - Run K8s cnf at the end

    K8s vIMS sometimes fails then it would allow verifying security in all
    cases.

    Change-Id: Ie2544c6ba7eb87361c26f813af7f70c682d51e7f
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index d034533..a67786b 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit d0345337962d1ee45609feda57e64603f146c696
+Subproject commit a67786b44aaa5518caaf941309607b1461bf662c