Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 436e8c40188bc15236d378111c498f120b63878c
  - openecomp-utilities-lib code coverage increase

    Add tests for RequirementDefinitionDeserializer class

    Change-Id: I038f73fad4daa3eab931c566668359db9b5f6dc6
    Issue-ID: SDC-2326
    Signed-off-by: Piotr Darosz <piotr.darosz@nokia.com>

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index e0e8abb..436e8c4 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit e0e8abb537d1230e4278f47db6c41e7121cd19f4
+Subproject commit 436e8c40188bc15236d378111c498f120b63878c