Update git submodules

* Update docs/submodules/releng from branch 'master'
  to de2e7d2c03750a80849dcdb5c47830dbe2c0c1d0
  - Disable post-merge jobs

    Jobs will be kept disabled until we bump OSA and Kubesoray
    versions and stabilize the deployment and testing.

    Change-Id: Iad208bec23a311787acf97efd560f285ecf1ea1f
    Signed-off-by: Fatih Degirmenci <fdegir@gmail.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 0a2dfdf..de2e7d2 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 0a2dfdffb822f822e041085a8e32fe4f87d55f87
+Subproject commit de2e7d2c03750a80849dcdb5c47830dbe2c0c1d0