Update git submodules

* Update docs/submodules/snaps from branch 'stable/fraser'
  - Merge "Restricting the magnum-pythonclient version to 2.1-2.2" into stable/fraser
  - Restricting the magnum-pythonclient version to 2.1-2.2

    Using version >2.2 results in a runtime exception.

    Change-Id: Ifc46efc7bb818c93f1470d7ea2150d9974f1bfd3
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index d36c480..1eb65fc 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit d36c4808d746934986300d0b3710693e3c89cd64
+Subproject commit 1eb65fc680dad92540327dca27da49308dc0a99f