Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 93638b5d9a498008a4dda9c27855586daf222691
  - Java 11 migration: fixing problem on 'openecomp-tosca-converter-core'
    
    - Explicitely indicate the type associated with 'Collection'
    
    Issue-ID: SDC-3030
    Signed-off-by: Chris Andre <chris.andre@yoppworks.com>
    Change-Id: I557eb205598c337b75b06a2c7d705276aeb543a1
    
1 file changed