Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: Fixes daily result reporting

    Breaks testing up into its own mulitjob, which allows us to condtionally
    set status for the job due to failures, which will be set to unstable if
    only test suites fail.

    Change-Id: I5d886b98e437bf100b1d5546aebfcd046b0238cb
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 261f4d1..13a6c8e 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 261f4d17188c5699de591ee9a24603898a9e9455
+Subproject commit 13a6c8eac9bc84b122b8e5b91c5f324a4cfb21a7