Update git submodules

* Update docs/submodules/ccsdk/parent.git from branch 'master'
  to b5623f7822b1741d96e1748e7b0c470a41c56edb
  - Upgrade parent Kotlin version and coroutines.
    
    Issue-ID: CCSDK-1737
    Signed-off-by: Brinda Santh <bs2796@att.com>
    Change-Id: I46fbb32b9a3721de1d1cebcc07640d04b8f40f38
    
1 file changed