Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "[Functest] Block daily job if healthcheck fails"
  - [Functest] Block daily job if healthcheck fails

    Change-Id: I3ec48bd337f8dc9100ff82f53067954925245dfa
    Signed-off-by: Linda Wang <wangwulin@huawei.com>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 6c84af5..2461f04 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 6c84af5a470c520e43973a0db010b62c35286724
+Subproject commit 2461f04429ade8ec5046e9a0d77cdd11db11e75b