Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 6c90e1cb04a4cb7e08f1036f6b071d5d82d89959
  - add timeout to apih for the camunda activity check

    Added timeout for camunda history lookups
    Added error strings to be returned on task information lookup
    Renamed method for getTaskInformation
    Removed retry for taskInformation and updated logging for errors
    Added spring logging interceptors to restTemplate
    Made timeout and retry timeout configurable

    Issue-ID: SO-2508
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ibd5101fc2e0a933a2f8070077c40b02bbbcfea6f

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 47cb626..6c90e1c 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 47cb6260f222c2f0cb0c95a53646e3196a930a8b
+Subproject commit 6c90e1cb04a4cb7e08f1036f6b071d5d82d89959