Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Adds missing queens deploy settings files

    Change-Id: I87508e6d486ade6e4acd8dec69a4c867b0d81252
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index f07870e..83ef5ed 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit f07870e4a3933cc7e78e6dc6457724bb49cad4f8
+Subproject commit 83ef5ed70381583e1a419716cd9acbf9538074c6