Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 95d172341ab9f2a905e433cd0f4112346319009a
  - Public Functest Jerma branches

    OpenStack just published stable/train [1]

    [1] https://github.com/openstack/requirements/tree/stable/train

    Change-Id: I148422d219382d2686503d0df71b32c4ed647d49
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 524ad32..95d1723 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 524ad3286a89824680eb24a1540be29595bdcc57
+Subproject commit 95d172341ab9f2a905e433cd0f4112346319009a