Update git submodules

* Update docs/submodules/integration.git from branch 'casablanca'
  to 9dc4c55cdbc7b71ae7aeb597380ddeaeefc85e0a
  - Merge "Update VID in docker-manifest-staging to 3.2.3" into casablanca
  - Update VID in docker-manifest-staging to 3.2.3

    Planned as part of Casablanca maintenance release (3.0.2).

    Issue-ID: VID-446
    Change-Id: Ib522fad33ad4eefcedd8eb5238eeb103062bc1dd
    Signed-off-by: Ittay Stern <ittay.stern@att.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index dbeb9aa..9dc4c55 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit dbeb9aa9265e5ef6ef2c851fdfef841df1fc406f
+Subproject commit 9dc4c55cdbc7b71ae7aeb597380ddeaeefc85e0a