Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: fix permissions on deploy

    Change-Id: I36066bf003b1504524a5b8143cceef7829b23ca8
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index a7a29d2..3cde967 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit a7a29d2509c07276a7a2a0c9fd3fdfc7a1b3f112
+Subproject commit 3cde96757ac0c77074f94b2bfe93aa8f8f83a98f