Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to fa04a4a0c5a18be0c1ebaebc8721b211ff26be74
  - Merge "Add passthrough attributes"
  - Add passthrough attributes

    Added passthrough attributes in placement request.
    Current attributes HAS request section changed to
    filtering_attributes and new passthrough attributes
    added in HAS request - this one is read from vnf policy
    passthroughAttributes section.

    Issue-ID: OPTFRA-610
    Signed-off-by: Lukasz Rajewski <lukasz.rajewski@orange.com>
    Change-Id: Ie2719fdd94bb0b42ef7cf2cbf47f5f182a4e7347

diff --git a/docs/submodules/optf/has.git b/docs/submodules/optf/has.git
index 51204dd..fa04a4a 160000 (submodule)
--- a/docs/submodules/optf/has.git
+++ b/docs/submodules/optf/has.git
@@ -1 +1 @@
-Subproject commit 51204dd7250549d4b59c1ff2bb4f1ad44ed1b96a
+Subproject commit fa04a4a0c5a18be0c1ebaebc8721b211ff26be74