Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: fix missing job for testsuite

    Change-Id: Ica77eb12fccfbb45479bbd75bbd8d3154f16a17b
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 13a6c8e..a12fc4a 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 13a6c8eac9bc84b122b8e5b91c5f324a4cfb21a7
+Subproject commit a12fc4ac05e0fc54d6596f9683d5940a7a17dbdf