Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Merge "Set region_name in get_os_creds()"
  - Set region_name in get_os_creds()

    Change-Id: Idb6912319e24edb39e18114bd3c1ef5bca750752
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index 45466f2..725293a 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit 45466f22aebabce642902db86a04cb67ee2beadb
+Subproject commit 725293a89c9d026339e39edfe2cdcf807677a4a7