Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to b12b08a3666d7765405445c4c0041577b951f321
  - Merge "Add new endpoint for posting data-dictinary as ResourceDefinition"
  - Add new endpoint for posting data-dictinary as ResourceDefinition

    Starter-dictionaries and examples in the documentation have the type ResourceDefinition.
    The existing endpoint accepts ResourceDictionary which is the wrapping entity of ResourceDefinition.

    Issue-ID: CCSDK-1725
    Change-Id: I07f925ba4f607a6eaecf5907ac6e08691578c3b5
    Signed-off-by: Jozsef Csongvai <jozsef.csongvai@bell.ca>