Update git submodules

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