Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to d6a26f001eb691c6e8b7269e9045980ca3a57e9b
  - Merge "Set WorkflowException on BPMN WF error"
  - Set WorkflowException on BPMN WF error
    
    WorkflowException needs to be set when execution of a custom workflows fails due to an error from BPMN
    
    Issue-ID: SO-2369
    Signed-off-by: Kuleshov, Elena <evn@att.com>
    Change-Id: Ie5ab66105681588000693fdbb3ca89310aee8a7c
    
1 file changed