Update git submodules

* Update docs/submodules/sdc/sdc-workflow-designer.git from branch 'elalto'
  to 75d642902350562a790cf034ea92568ba5d52168
  - Changes for backend to support SSL

    Changes to support starting in https mode and changes to support making a secured call to the SDC backend
    (cherry picked from commit 820f4ec65a28ed822d4205b05ac6fbbd910a46cc)

    Issue-ID: SDC-2405

    Change-Id: I0588484fdcb0903934814906672f4fc9a76eca2c
    Signed-off-by: ilanap <ilanap@amdocs.com>

diff --git a/docs/submodules/sdc/sdc-workflow-designer.git b/docs/submodules/sdc/sdc-workflow-designer.git
index ecdc9e7..75d6429 160000 (submodule)
--- a/docs/submodules/sdc/sdc-workflow-designer.git
+++ b/docs/submodules/sdc/sdc-workflow-designer.git
@@ -1 +1 @@
-Subproject commit ecdc9e7f3c2949b07e7de24c1f065af483f6b347
+Subproject commit 75d642902350562a790cf034ea92568ba5d52168