Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Restricted dependency of the novaclient."
  - Restricted dependency of the novaclient.

    The 8.0.0 version is not backwards compatible with 7.1

    JIRA: SNAPS-73

    Change-Id: I76f52e0e1e212e1e4053ade6279b1117ab740cde
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index bd5f0b5..f57080b 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit bd5f0b53df5b76e2e5fa0ee73a81478f43e28b7a
+Subproject commit f57080bd2a6412c8fdc50c68111e780f6c36a360