Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7428cbf2dfff3b3ec2c4732de5499809bf0dc3d6
  - Add DoCreateCommunicationService workflow bpmn
    
    Issue-ID: SO-2368
    Change-Id: Iee4d4c937947d01196a85c8a45387c5a3cb0aa19
    Signed-off-by: hetengjiao <hetengjiao@chinamobile.com>
    
1 file changed