Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to d8e90311006bcb53592c48c246aa2479f807b5ae
  - Merge "enhance get orchestration request"
  - enhance get orchestration request

    Enhance get orchestration request to include workflow step
    Began working on adding call for activity name
    Added call to return activity information
    Updated to return last task executed
    Added last task executed info to returned string
    Updated mocks to fix failing unit tests
    Added responses for mocks to Camunda for process and activity history
    Added tests to cover taskName changes
    Began adding tests to cover changes to RequestHandlerUtils
    Added more unit tests for activity lookup
    Updated error messages for taskName
    Moved properties to application.yaml file
    Added unit tests to add more coverage to task retrieval
    Moved Camunda calls to CamundaRequestHandler class
    Removed unused imports from RequestHandlerUtils
    Fixed formatting of tests and removed handler where not used
    Removed CamundaRequestHandler from JerseyConfiguration
    Added retryTemplate for camunda calls

    Issue-ID: SO-2142
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I09a82e3458e8f611e4bbaf3ce9ab5de36b1b060a