Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to a11f8f4732068c6ae83f865ed83ebfc2adc58f9e
  - Merge "Version update."
  - Version update.

    Updating Kubespray version from 2.8.2 to 2.10.4 for KuD offline
    support and integration with new add-ons in future.

    Signed-off-by: Akhila Kishore <akhila.kishore@intel.com>
    Issue-ID: MULTICLOUD-772
    Change-Id: Ib1263e86adb9815e1ee56038507a3c092aad1feb

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 49ea7e4..a11f8f4 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 49ea7e46428c70fb553f6785b1ce22882f64c259
+Subproject commit a11f8f4732068c6ae83f865ed83ebfc2adc58f9e