Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 844b7f1784aee9a6acf4c2878c46cadf0a4c1a1d
  - Fix container name when dumping K8s logs

    Change-Id: Idbdd90b8ac193cacc1ca314493f5b970799930db
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index e0a1df3..844b7f1 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit e0a1df3d32c8562195c80369c3f545be9cd27bd4
+Subproject commit 844b7f1784aee9a6acf4c2878c46cadf0a4c1a1d