Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'elalto'
  to 5216cd6afd486e14accab30308e7141c63a1c0de
  - Merge "Release notes updation for release." into elalto
  - Release notes updation for release.

    Updated the release notes for Issues, stories and epics.

    Issue-ID: SO-2328

    Signed-off-by: Isaac Manuel Raj <isaac.manuelraj@huawei.com>
    Change-Id: Icc10ddc00fffdcf8a88a95c21d24cc6ed30b116d

  - initial commit for the release notes

    Issue-ID: SO-2260

    Signed-off-by: seshukm <seshu.kumar.m@huawei.com>
    Change-Id: I408496eef933396c700b4676736a4cfa78507b4e
    (cherry picked from commit f5d05f899c17f7c69a6a584d4e0c8c6ed8984630)

  - Merge "- Increased version to 1.5.1 to get new client"
  - Merge "mso should not send content type http header to"
  - Merge "Changed task names in bpmn"
  - Merge "Fix issue where user cannot create a recipe via"
  - Merge "Add model info on CHANGEASSIGN req to SDNC"
  - Merge "Converted tests to use LATEST"
  - Merge "VNFM Simulator Removed. Moved to CSIT."
  - Merge "Improved error handling"
  - Improved error handling

    Change-Id: Iac436f6a950bf61ac6321ef1d427a7bb14774e30
    Issue-ID: SO-2395
    Signed-off-by: MichaelMorris <michael.morris@est.tech>
  - - Increased version to 1.5.1 to get new client

    - Increased version to 1.5.1 to get new client changes

    Issue-ID: SO-2402
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I70cf15012547857e10360b1ba2d0cedfeb938e48

  - Fix Blocking distribution of K8S Service

    Restore code removed in  https://gerrit.onap.org/r/c/so/+/95685
    to prevent SO from failing to handle distribution of k8s service.
    which contains cloud technology artifact.

    Change-Id: Ic4182daf3a6cf698b2122e43c65bbb94425588f6
    Issue-ID: SO-2357
    Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
  - VNFM Simulator Removed. Moved to CSIT.

    Change-Id: I6c439615d52751578200ef84aacb20b0263b3846
    Issue-ID: SO-1952
    Signed-off-by: AndrewLamb <andrew.a.lamb@est.tech>
  - Converted tests to use LATEST

    Always use LATEST for A&AI based tests rather than a particular version

    Issue-ID: SO-2398
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I7840b46f8d50b74a6e6b98270c4f3febc4d0b993

  - Add model info on CHANGEASSIGN req to SDNC

    Add model info on CHANGEASSIGN req to SDNC

    Issue-ID: SO-2397
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ieaf61e065273581512d797055dd7aef6f2a942d7

  - Changed task names in bpmn

    Changed task names in bpmn to be more understandable

    Issue-ID: SO-2396
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I270dbb6a40fc32eb61b7c382b3a81c98ce97e71a

  - Fix issue where user cannot create a recipe via

    Fix issue where user cannot create a recipe via rest

    Issue-ID: SO-2394
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: Ia21131a1179cbba2652aae30451a25a90ac00e51

  - mso should not send content type http header to

    Updated getHeaders to not add Content-Type header on GET requests
    Updated getHttpHeaders boolean to includeContentType

    Issue-ID: SO-2366
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I476bf02791d699cda2ca4118c8f578c96461097e