Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 5a8962154a63fbc18a7849a0184d7f10ebd7f6f6
  - feat:add three parameters of Slice task management page
    
    Change-Id: Ic1e9dc5e9ecbaf78bf987e6dfd58747f5442f355
    Issue-ID: USECASEUI-368
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed