Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Added method to OpenStackHeatStack to return OpenStackRouter objects."
  - Added method to OpenStackHeatStack to return OpenStackRouter objects.

    Continuation of the story SNAPS-153 for adding creator/state machine
    instances for OpenStack objects deployed via Heat.

    JIRA: SNAPS-173

    Change-Id: Iac9138ef7827c10db1637447d3a909e714a0301b
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 429c05c..092d58d 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 429c05c13a26ba22161cfec5938aecbc1c1427c2
+Subproject commit 092d58de391b9f8523e87142ffc60e040796607d