Update git submodules

* Update freezer from branch 'master'
  - Merge "Update json module to jsonutils"
  - Update json module to jsonutils
    
    json is deprecated, should use oslo_serialization.jsonutils
    instead.
    
    Change-Id: Ib4b562c3f37a5c133f3a6ae8efa00a26c8b41846
This commit is contained in:
Zuul 2019-02-21 09:13:47 +00:00 committed by Gerrit Code Review
parent 849c6bf3e8
commit 12cb170c94

@ -1 +1 @@
Subproject commit bf703976df67aab27a0c4c33a6b5226ef14b1051
Subproject commit 7f2d879b4c93c9af054e9bfd8016108b29344e21