Update git submodules

* Update docs/submodules/bottlenecks from branch 'master'
  - 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>

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index ce3cbaa..c9dc6c5 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit ce3cbaa4868eeee4740a876f05cf2b4a33c83603
+Subproject commit c9dc6c5ff980c32f82b0533e5a25eabebfbd0c6a