Update git submodules

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

    Change-Id: Ib65203e74244d87f7ac6b24f6e6abf723c57a786
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit 72ea3965f80691b6660ce9716103030d3e6d9a6b)

diff --git a/docs/submodules/functest b/docs/submodules/functest
index a55e2ae..f98f495 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit a55e2ae22c6880ffa64bf3f93fec1aef1adaeed7
+Subproject commit f98f4954e2d9a68d40163eb48d4f6afc8e520590