Update git submodules

* Update docs/submodules/policy/apex-pdp.git from branch 'master'
  to c039eaf30f80d8c968cb8cc5e4060998cd7d6ff7
  - Step snapshot version of apex-pdp
    
    Issue-ID: POLICY-1630
    Change-Id: I6dfce7eb33d9bc41caabf6b8842377b486de672d
    Signed-off-by: liamfallon <liam.fallon@est.tech>
    
1 file changed