Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Skip the python3 vbmc patch

    - vbmc has already been imported so we know it's there
      if vbmc is located in a different spot than the
      hardcoded location just skip the patch

    Change-Id: I765fb94c09e0775084ecd37659f4900411eb0e3e
    Signed-off-by: Dan Radez <dradez@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index 2ebb431..5d41f61 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit 2ebb431beffab428076a46101919c1ab39a3ecb0
+Subproject commit 5d41f61ab4127960e921216cb60674883718acef