Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to c21ba95e56f70ba9fbe0daa3ac4b413424b323eb
  - bug fixes to operation screen and External workflowartifact completion
    
    Change-Id: I9d71385d6e29e1736a24f9d84581e465187e9f26
    Issue-ID: SDC-2249
    Signed-off-by: Arielk <Ariel.Kenan@amdocs.com>
    
1 file changed