Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 39104196379b50039ee7801514536837768112ee
  - Publish sbom jobs

    Change-Id: I95ab178bff47f951513a67222f865ae3eb313994
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index aa070ec..3910419 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit aa070ecb07b28d014594b58632815c35b9719904
+Subproject commit 39104196379b50039ee7801514536837768112ee