Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 5e18e8dfb30778f1dd2d6bba2644f58c6b8315ec
  - Merge "Add API for commit and abort OrchestrationTask"
  - Add API for commit and abort OrchestrationTask
    
    Issue-ID: SO-2368
    
    Add methods for commit and abort an OrchestrationTask
    
    Change-Id: I4646e00e6aa2e04e0b44ee860906da64c6e162fc
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
    
1 file changed