Update git submodules

* Update docs/submodules/bottlenecks from branch 'stable/danube'
  - Change path to reporting db

    JIRA: BOTTLENECK-158

    Change the path env to align with CI pipeline

    Change-Id: Ib5a7799c3eb3e5ba9056aa738c4c3b15995e3c11
    Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
    (cherry picked from commit b20de06b02a6eec449e5ac1e99226f35728b248d)

diff --git a/docs/submodules/bottlenecks b/docs/submodules/bottlenecks
index 1ddde70..2e0a52e 160000 (submodule)
--- a/docs/submodules/bottlenecks
+++ b/docs/submodules/bottlenecks
@@ -1 +1 @@
-Subproject commit 1ddde70db2f49fcdd80078e7cfc0300b1e0964cc
+Subproject commit 2e0a52eefb6b0cd0e66f42764600afe81fe29e86