Update git submodules

Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to 843bf742f4cf25a424161be152a1bd5265adefd7
  - Merge "Add ability to resolve environment variables when reading PrimaryDatabaseConfiguration"
  - Add ability to resolve environment variables when reading
    PrimaryDatabaseConfiguration

    This is needed to remove hardcoded password in application.properties
    file by being able to resolve environment variables. OOM would pass the
    username and password through environment variables.

    Issue-ID: CCSDK-2095
    Signed-off-by: Sebastien Premont-Tendland <sebastien.premont@bell.ca>
    Change-Id: Ia19ef0ddee29509b0378b048bf58c700870ecce4