Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Leverage of snaps creds to get the right region name"
  - Leverage of snaps creds to get the right region name

    Else it gets the defaut value as it's unset in env.

    Change-Id: Ic2a9cdaed7891fe2723f960782c81c0cbb04e8f0
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 3becae2..47c008e 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 3becae261a56ead94c400db618d801e4337ce4a8
+Subproject commit 47c008e07f16b9a2d281707c50514f2f1237ce19