Update git submodules

* Update docs/submodules/releng from branch 'master'
  to 0e774dab957306333da6ff661266927edecbd711
  - Prepare 2023.2 release jobs

    Change-Id: Ia62fb7b49c781fe2ec74c7a2a88753e33b431d83
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index f9e4be3..0e774da 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit f9e4be3557a058d8ec3e59a4a008ed24a09d16ef
+Subproject commit 0e774dab957306333da6ff661266927edecbd711