Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 2f3caa5c27d339c6a371d6e5f9d81519e919d96c
  - modify the configuration in consul for dfc

    modify the configuration in consul in order to support dfc
    to fetch the merged configuration

    Issue-ID: INT-1155
    Change-Id: I6d73987183851ed38225796c9f426a1010376fd3
    Signed-off-by: YongchaoWu <yongchao.wu@est.tech>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index a79a043..2f3caa5 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit a79a043b5a99fa05e9f73559ff1c3b2e36bd70c0
+Subproject commit 2f3caa5c27d339c6a371d6e5f9d81519e919d96c