Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 493477ef59ce12d082683f188e0253fe2d34bdff
  - Merge "Modify requestDbClient to add methods for OrchestrationTask"
  - Modify requestDbClient to add methods for OrchestrationTask
    
    Issue-ID: SO-2368
    
    Add methods to handle OrchestrationTask
    
    Change-Id: I4595c5a1099977e5dba259bfbf77d666b1db699c
    Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
    
1 file changed