Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to cf310cca2f3d408497a2476eb2b7afae1c5ad94e
  - Pyunit for random_pick.py
    
    Pyunit for random_pick.py
    
    Issue-ID: OPTFRA-302
    Change-Id: I69b7443af188317978bc06194412f4689267c56a
    Signed-off-by: Sudarshan Kumar <sudars19@in.ibm.com>
    
1 file changed