Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 6e7e055e27731b451437aefa336d382f31cbc38c
  - Update latest staging portal docker images

    update to 2.6.0-STAGING-latest for now to test

    Issue-ID: PORTAL-685

    Signed-off-by: Welch, Lorraine (lb2391) <lb2391@att.com>
    Change-Id: I5a49caa40c05569a1a5fea2f3378c2a9fd2c064f
    Signed-off-by: Welch, Lorraine (lb2391) <lb2391@att.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index e2e071f..6e7e055 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit e2e071fd218bfb7253b71dacb5c3b500454517b3
+Subproject commit 6e7e055e27731b451437aefa336d382f31cbc38c