Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Use snaps_utils to get credentials in tempest"
  - Use snaps_utils to get credentials in tempest

    Change-Id: I1d240d5edd536d71c87a7dff4e2676715697d0e2
    Signed-off-by: Juha Kosonen <juha.kosonen@nokia.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 834c2cd..416461c 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 834c2cd75b7af478e7456f9fd7a344b5ccf92665
+Subproject commit 416461c30d5a9a0df38e6c1bdef7061fce2c7eaf