Update git submodules

* Update docs/submodules/releng from branch 'master'
  to defed6fbb50cc753daac1e586c4809c85dce7f4d
  - Install python 11 and 12

    Change-Id: I17fbee665615dde58019d5bf0e4c9d7454ce2bdf
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index f4bbcf4..defed6f 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit f4bbcf4a338b163abdc08487ef8c8b6a87322ba4
+Subproject commit defed6fbb50cc753daac1e586c4809c85dce7f4d