Update git submodules

* Update docs/submodules/vnfrqts/requirements.git from branch 'master'
  to ac936e3634ba96e171fb1452adca18b10841fc69
  - Add new requirement for LCM operations via NETCONF
    
    Issue-ID: VNFRQTS-830
    
    Signed-off-by: JunfengWang <junfeng.a.wang@ericsson.com>
    Change-Id: I0d47568ecafc51f6d45d69fa0de369b5a57984a1
    
diff --git a/docs/submodules/vnfrqts/requirements.git b/docs/submodules/vnfrqts/requirements.git
index 3f887ee..ac936e3 160000
--- a/docs/submodules/vnfrqts/requirements.git
+++ b/docs/submodules/vnfrqts/requirements.git
@@ -1 +1 @@
-Subproject commit 3f887ee6a390473f24a679f215d40effb1c14ee3
+Subproject commit ac936e3634ba96e171fb1452adca18b10841fc69