Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 87b40377097221ce2b3699df8032bc03df630904
  - Merge "Apex-pdp documentation conversion for DecisionMaker example"
  - Apex-pdp documentation conversion for DecisionMaker example
    
    Issue-ID: POLICY-2399
    Signed-off-by: aditya.puthuparambil <aditya.puthuparambil@est.tech>
    Change-Id: I9fc825bc1010a53a159572656957d899d9a52aa9
    
1 file changed