Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - [ha] Align package repositories on all the nodes

    Change-Id: Idd09d28677b109b4c0c5a4c232dcfb7c4f24dbd7
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index fde6463..a021366 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit fde64636e043bd54057987f3850c784723cd32fc
+Subproject commit a021366c0934d74889ac7d64e0857e35bdd0319c