Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/euphrates'
  - bug-fix: support insecure option for quota setting

    JIRA: BOTTLENECK-221

    Quota setting has openstack cmd executed by bash not supporting
    insecure option for https

    Change-Id: I223080b67af9aa1677e2e39daaf727f3a6c0ea97
    Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
    (cherry picked from commit c9dc6c5ff980c32f82b0533e5a25eabebfbd0c6a)

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index d481acd..5df28e1 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit d481acd8c2d994d54b24eb665854a02f29d1d224
+Subproject commit 5df28e11b200349de3af2acf735ff0fad20283c2