Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: change detect script to just include-raw

    Change-Id: I2366cbaba46734877782951365a4abebca9d17b8
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e6012df..158daab 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e6012df6b35a64f16da918f72680ef87c3b47b45
+Subproject commit 158daaba615509c200139b1bc43d28b35120ef2c