Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 62941624445c0e0370b3d7e7b6ed55832c9726d4
  - Merge "Fix agent name used by Functest K8s master gate"
  - Fix agent name used by Functest K8s master gate

    Change-Id: I5242570c24ac63e8a34115e5aa3a51c237bc10ca
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index da2c360..6294162 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit da2c360e74aa1be43f1d760f7f28f8ffdb571a16
+Subproject commit 62941624445c0e0370b3d7e7b6ed55832c9726d4