Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "update scenario name"
  - update scenario name

    url PUT /api/v1/scenarios/<scenario_name>
    if new_name already exist, return Forbidden
    if new_name == name, return Forbidden

    Change-Id: If3b82b3df4a763d60dad110caca2659c5f39ab50
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 2a46ee4..06fba1c 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 2a46ee4c60e3eeb95311cf406a9bef71d2d66777
+Subproject commit 06fba1cf6d82d2525ccc662ab31edad597266d73