Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Protect vs exceptions when creating secrets

    cloudify_ims sometimes faces with exceptions when creating secrets
    [1].

    [1] https://build.opnfv.org/ci/view/functest/job/functest-apex-baremetal-daily-master/188/console

    Change-Id: I197748bf97752575dc14650e1e1c382774811cce
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 3d6f7e8..cfb241a 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 3d6f7e8b3a6cfe4c926bd93d45861c80970e35f7
+Subproject commit cfb241ab63898eb4a550fc571d34952d33996e9c