Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 554c5718626bd1bceb26e7036a6463bd85576f64
  - Merge "Dump all logs as last steps"
  - Dump all logs as last steps

    It follows the Kubernetes Conformance model to third-party
    certifications.

    Change-Id: Idd3a04567ed19c8b53f4635530fda5bd94d00734
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 64ebe7a..554c571 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 64ebe7a4dacc921620421b93c245870b88ae6b5b
+Subproject commit 554c5718626bd1bceb26e7036a6463bd85576f64