Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 13e4f222a95ab068bb0be0fe6cd7997c9dd81b52
  - Merge "Add null check for the InfraActiveRequests lookup"
  - Add null check for the InfraActiveRequests lookup

    Add null check for the InfraActiveRequests lookup
    move it into a separate method for InfraActiveRequests lookup

    Issue-ID: SO-2374
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I84ff23b4da12719b589d43135a7604a2d4b24fef

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a693cba..13e4f22 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a693cba7648c700c409e29e3facf9b72bf77517b
+Subproject commit 13e4f222a95ab068bb0be0fe6cd7997c9dd81b52