Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ff48ae5bf6c010f251f2378300739af4bdf58887
  - Merge "apih allowing requests with the same requestid"
  - apih allowing requests with the same requestid

    Updated filters to throw error on duplicate requestId
    Added message indicating exception will be thrown
    Added unit tests for requestIdFilters
    Added access modifier in filter test
    Updated CloudApiRequests for successful deletion when
    InfraActiveRequest is deleted
    Removed changes from CloudApiRequests bean
    Updated repository to include deleteByRequestId
    Removed unused import from cloudApiRequests
    Removed deleteByRequestId from interface
    Updated to change type of extended jparepository
    Removed repository added for CloudApiRequests
    Updated uri check to remove '/' from checked string
    Updated returned on failing junit test
    Updated access modifiers for logger and createRequestError

    Issue-ID: SO-2166
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Id0cee672567b15e0a3eb1acfbdfb967945494500