Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 5f44d1e600fc78f631295f932596c2a125075e72
  - Merge "Update postman to collection to match v4"
  - Update postman to collection to match v4

    Update endpoints of nbi postman collection ( remove /nbi/api/v3 )
    Update url with http in environment integration file ( for all endpoint variables, fix ko on nbi.api.simpledemo.onap.org:30274/nbi/api/v3/status for instance )
    Update nbi url in environment integration file ( add /nbi/api/v4 )

    Change-Id: I42d1585ed4f458f74cf34927f2f853404e7f92e1
    Issue-ID: EXTAPI-235
    Signed-off-by: MatthieuGeerebaert <matthieu.geerebaert@orange.com>