Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Execute refstack_defcore in ci/run.yaml

    Change-Id: Ib65203e74244d87f7ac6b24f6e6abf723c57a786
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 1da4b51..72ea396 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 1da4b519f8e73d3be9e37f9d72367654bf662e63
+Subproject commit 72ea3965f80691b6660ce9716103030d3e6d9a6b