Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 3602c18a581fd99b12fb8ef298d581bc39225b65
  - Architecture doc update complete
    
    Please check the bridging text added to address a comment by Pam in a
    previous review on the bridging between the concept of a policy type
    implementation and an application.
    
    Issue-ID: POLICY-2500
    Change-Id: I40bceef2c0fc0afb9f785fa302f26956b0a2a047
    Signed-off-by: liamfallon <liam.fallon@est.tech>
    
1 file changed