Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Dummy Change to releng

    I have deleted apex-rtd-verify-master
    Merging this will re-create the job.
    Worth a shot.

    Change-Id: I67809fed7e097fbc992ed090cc85e84a9ff81992
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index d5cce0e..3412e96 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit d5cce0e2a7d4d75c8c056651ab5f2a36454a8145
+Subproject commit 3412e96ff8b79ec24009f1ebfaf15b1860f26e43