Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7b4a8742c8ed874b436025d4f7bea43ffbf03805
  - Merge "updated camunda springboot version"
  - updated camunda springboot version
    
    Added required unimplemented methods to classes
    
    Change-Id: I1ab6333582f2f09c6c363786c8168fdf54936bf8
    Issue-ID: SO-1512
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 466bc45..7b4a874 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 466bc45cde6b405dbd9ab71b6ca8059a98ba9fa6
+Subproject commit 7b4a8742c8ed874b436025d4f7bea43ffbf03805