Update git submodules

* Update keystoneauth from branch 'master'
  to 0a7914b70f80ab8a469bda53f49d5494e308b566
  - Merge "typing: Simplify mypy configuration"
  - typing: Simplify mypy configuration

    mypy now correctly handles ignores on modules when strict is enabled on
    the top-level module.

    Signed-off-by: Stephen Finucane <stephenfin@redhat.com>
    Change-Id: I22899cfe3269f9ecc6f62db98ec5f993c5397e4b

diff --git a/keystoneauth b/keystoneauth
index c17150528347a1563e123e0f6692e068a74ccc60..0a7914b70f80ab8a469bda53f49d5494e308b566 160000 (submodule)
--- a/keystoneauth
+++ b/keystoneauth
@@ -1 +1 @@
-Subproject commit c17150528347a1563e123e0f6692e068a74ccc60
+Subproject commit 0a7914b70f80ab8a469bda53f49d5494e308b566