Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - 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>
    (cherry picked from commit cfb241ab63898eb4a550fc571d34952d33996e9c)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1951044..66308ee 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1951044309f5d36a6df3fdd6e74f0581a798f402
+Subproject commit 66308eef2d8a5a6b0c1d70d773a7ad37c2c82d16