Update git submodules

* Update docs/submodules/pharos from branch 'stable/euphrates'
  - Merge "[fuel] Assign public network to proxy nodes" into stable/euphrates
  - [fuel] Assign public network to proxy nodes

    Change-Id: I8d4cc9505eb1d405b8f6a3ef1053249d803bda7b
    Signed-off-by: Michael Polenchuk <mpolenchuk@mirantis.com>
    (cherry picked from commit af9e2a904ad7f1e44ba26cf9cebbc8bb3f7d8842)

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index 3035a31..9780b62 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit 3035a3115a6d6b49223d4f326f5c3a705f115579
+Subproject commit 9780b62c6249fc7821b64c2f075f7908ce4fc430