Update git submodules

* Update docs/submodules/fuel from branch 'master'
  - Merge "[baremetal] heat: Switch metadata API URL to mgmt"
  - [baremetal] heat: Switch metadata API URL to mgmt

    Prepare for decoupling management from public (drop mas01 NAT):
    - ctl: change heat URLs to use new management VIP instead of public;

    Change-Id: I8e220ee37bd4177c3afd58a9ee401f815d046706
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>

diff --git a/docs/submodules/fuel b/docs/submodules/fuel
index b2f0994..f5a14b9 160000 (submodule)
--- a/docs/submodules/fuel
+++ b/docs/submodules/fuel
@@ -1 +1 @@
-Subproject commit b2f09948fa7cac7400eeff72859eccfcada07983
+Subproject commit f5a14b9a0a33ad4e76ebfdf099a544ac87fcd963