Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Apex: migrate promote jobs to use virtual deploy job

    This job already does deploy and test, so just use that rather than
    triggering seperate jobs.

    Change-Id: Ie62088f434de93ebb7638ba4d4ef8791ac01aa1f
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 118cf52..8fdbad5 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 118cf520832001a5f6b5c14ba866b804978c04e9
+Subproject commit 8fdbad5ad35661d1042cd957975220ca30b40862