Update git submodules

* Update docs/submodules/pharos from branch 'master'
  - Merge "nominate Guillermo Herrero as a Pharos committer."
  - nominate Guillermo Herrero as a Pharos committer.

    I would like to nominate Guillermo Herrero as a committer to the Pharos project. Guillermo has been an active contributor to the Pharos project over the last few months.

    Please provide a +1/-1 vote before the end of next week, Dec. 31st

    Change-Id: I452c1eb1050932accdf312226d4808f41d574ee3

diff --git a/docs/submodules/pharos b/docs/submodules/pharos
index c691352..e93bc73 160000 (submodule)
--- a/docs/submodules/pharos
+++ b/docs/submodules/pharos
@@ -1 +1 @@
-Subproject commit c69135267ba1394a9b1860ee0d1a7f994dc8add3
+Subproject commit e93bc73d349f7bb991fa87d5053a6f3ce7d89ffd