Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to c5d39edc6a5c3f980e9341f3ef0a09b7d28f98a1
  - Fix dev config designer user in catalog-ui
    
    The userId for the mocked user used in the catalog-ui
    development environment was incorrect.
    Small adjustments in the webpack.server.js file.
    Improves the README.md for better understanding of some
    configuration options.
    
    Change-Id: I231f4349a868a2544a6b1ab9e9deb68873850e2b
    Issue-ID: SDC-2779
    Signed-off-by: andre.schmid <andre.schmid@est.tech>
    
1 file changed