Update git submodules

Update git submodules

* Update upstream/fuel from branch 'stable/colorado'
  - Point to specific snapshot of mos repositories

    Fuel 9.1 was released, it is a first time when new version of Fuel is
    distributed through the same repositories as previous one, point to
    specific snaphost of mos ubuntu repo to prevent mixing packages.

    Change-Id: I64bb52657ce476b0c1fdc8e858231ad751ba12b1
    Signed-off-by: Michal Skalski <mskalski@mirantis.com>
    (cherry picked from commit fe3fc91c23ace520f32830b6af5205c39088f922)