Update git submodules

Update git submodules

* Update docs/submodules/vid.git from branch 'master'
  to 4c2de1c9790b3312201494462699f982f711fbd3
  - Adjust NewServiceInstanceTest by new logic + revert state-check in getDefaultVolumeGroupName

    * Change expected behaviour of tests to match new
    business of VG naming process; See shouldVGNameBeVisible() in
    vfModule.control.generator.ts

    * Fix Cypress tests `volume group should change on instance`.

    Issue-ID: VID-700
    Change-Id: I18faf49a4a31f4b8f389dbcda53c55a1a8066c90
    Signed-off-by: Amir Skalka <amir.skalka@intl.att.com>
    Signed-off-by: Ittay Stern <ittay.stern@att.com>