Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "Fixes missing bgpvpn service on controller"
  - Fixes missing bgpvpn service on controller

    Change-Id: I943fc99d539aca9bc66204a75dbd2ae8fa7033fd
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index f98cffc..b05ec72 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit f98cffc3b73364be7ea4b105def2c8f94484571c
+Subproject commit b05ec7236084d6628c4a99e1ed2805b883abe78c