Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 74cd0172784a38f8d45b09b543804df4bb66a304
  - Merge "Terminate workflow on Abort handling code"
  - Terminate workflow on Abort handling code

    Throw WorkflowException to terminate the custom workflow when Abort handling code is returned, add constant names for variables

    Issue-ID: SO-2171
    Signed-off-by: Kuleshov, Elena <evn@att.com>
    Change-Id: I29a5ede2503f42ff28486318e0239eb6beeb4271

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index f7683e2..74cd017 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit f7683e27b8570a2102f287ebc98117b9026c27a8
+Subproject commit 74cd0172784a38f8d45b09b543804df4bb66a304