Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to f3aade51a88b6708233ba486bb578ad436909796
  - Merge "vnf and vf module replace requests to make"
  - vnf and vf module replace requests to make

    Added cloudConfiguration when not sent in replace request
    Added robot test for vfModule request with no cloud config
    Started adding unit tests for ServiceInstances
    Added unit tests for BpmnRequestBuilder changes
    Added ServiceInstances tests to test replace without CloudConfig
    Removed unused wiremock stubbings from test
    Added check for replaceInstanceRetainAssignments action
    Added action to common package to fix failing robot tests
    Removed new test, updated existing vfModule replace
    Added jackson annotations to RequestError object
    Fixed failing unit tests apih common

    Issue-ID: SO-2523
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I9470a0a9c7e356ef98ceb7269e066e79e0afb074