Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 1719606aee6f299f9fa03671c0265cdb6007567e
  - pnf-sw-upgrade: fix lock-protected update of yang module

    The update must be scoped by a lock on yang module

    Other changes:

    - 'action' field no longer deleted; handling CREATED/MODIFIED events on
      this field
    - Configurable delay on timed-transitions via SWUG_TIMED_TRANSITION_TO
      environment variable

    Issue-ID: INT-1516
    Change-Id: I22fb7b558ae371b6cff487633eae606f8fe535e1
    Signed-off-by: ebo <eliezio.oliveira@est.tech>