Update git submodules

Update git submodules

* Update docs/submodules/fds from branch 'stable/euphrates'
  - Fds testcase fixes for v3 creds

    V3 creds changed and no longer feature project id, which needed
    to be changed to project name along with project domain name.
    Also updated the path to images which changed with the introduction
    of Alpine containers.

    Change-Id: I75916a6632514de9206b824a0957eb0491f7b96a
    Signed-off-by: juraj.linkes <jlinkes@cisco.com>
    (cherry picked from commit a11ef12edc19d755e0e03f2615a8a2019e805875)