Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 3a3086180abb951a2e0a919d4a38895b53ff332e
  - Add maven dependency for snakeyaml v1.24

    Make snakeyaml dependency version consistent thru all projects by
    providing it from integration parent artifact.

    Issue-ID: POLICY-1603

    Signed-off-by: Bruno Sakoto <bruno.sakoto@bell.ca>
    Change-Id: If09372f8242dbf7975fc152484cdce124854c48f

diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index 0f079d2..3a30861 160000 (submodule)
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit 0f079d2fa0cc68c3a682e0e0f73511dd576066ba
+Subproject commit 3a3086180abb951a2e0a919d4a38895b53ff332e