Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 5af3fe8e2cd633ea9519a5c0dc2e75ea65b3915b
  - Harden Jenkins jobs

    It allows any ssh connection from Ubuntu 22.04 and
    precises the ssh user.

    Change-Id: I660b88d5b1640f8057d4081226517abad94889db
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b414adf..5af3fe8 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b414adf86db84a994f8e2a0ea9c8960cc9565f12
+Subproject commit 5af3fe8e2cd633ea9519a5c0dc2e75ea65b3915b