Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to cbf02a29680b79b0cdc19b2002e642de949dffca
  - OrchestrationTemplateDaoZusammenImpl - Add tests for the presence of Optional values
    
    Issue-ID: SDC-3015
    Signed-off-by: Chris Andre <chris.andre@yoppworks.com>
    Change-Id: Iae0ce3d1b4bb5a72f04f0cd8a890c84eb15b214c
    
diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 768742e..cbf02a2 160000
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 768742ee00920426d9d81aef56dcd0298bf9f1d0
+Subproject commit cbf02a29680b79b0cdc19b2002e642de949dffca