Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 8a5f3aebc6b5681c5c44307b7a0cdf868802e790
  - ArtifactsBusinessLogic refactor to remove NullPointerException
    
    - Reformatted `downloadResourceInstanceArtifactByUUIDs`
    - Fixed Sonar-related warning regarding a NPE in `validateInput`
    
    Issue-ID: SDC-2979
    Signed-off-by: Chris Andre <chris.andre@yoppworks.com>
    Change-Id: I5a62daabcc436f28fba1f09317c5723281df15bf
    
1 file changed