Update git submodules

* Update docs/submodules/functest from branch 'stable/fraser'
  - Fine-tuning the juju-epc codebase for better error-handling

    The changes are mostly basic/cosmetic in nature.
     - Add some additional info in loggers.
     - Remove timeout from few commands(such as juju deploy)
     - Add exception logging for few commands(such as juju bootstrap).
     - Change rsync to cp for feature file transfer within ABot.

    Change-Id: Ibeaae17f1c25d04b7830ed42719b70e6c99228cf
    Signed-off-by: soumaya <soumaya.nayek@rebaca.com>
    (cherry picked from commit a69c4be1d1b4c6cc5021a14e63c9f73d28490942)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index b96f6ed..5462e30 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit b96f6ed4f76ef9569eec211216f7db3ef87a285c
+Subproject commit 5462e30db600708bdc6290b55acfd8080ab2fab9