Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 96231b3365d378a86b71d93b8a7d64aef8be531c
  - Merge "Prevent reading twice from ResponseEntity stream, since this caused IOErrors."
  - Prevent reading twice from ResponseEntity stream, since this caused IOErrors.

    Also moving empty response checks to parseJsonToGelAllPnfCorrelationId

    Issue-ID: SO-2349
    Signed-off-by: grabinsk <maciej.grabinski@nokia.com>
    Change-Id: I316856d56106a1ae715812628695406f4147765d
    Signed-off-by: grabinsk <maciej.grabinski@nokia.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 1cba9f9..96231b3 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 1cba9f989d964aeb716a0f5746a6485996d3e7f8
+Subproject commit 96231b3365d378a86b71d93b8a7d64aef8be531c