Update git submodules

* Update oslo.serialization from branch 'master'
  - Merge "Add releasenote to deprecate the yamlutils module"
  - Add releasenote to deprecate the yamlutils module
    
    We missed to inform customers by adding release note, these changes do
    that.
    
    Change-Id: I834b2ebba94d5dfca121ed06ff5ba42336d1b97c
This commit is contained in:
Zuul 2020-03-23 15:45:58 +00:00 committed by Gerrit Code Review
parent 80a88416ef
commit 1c6b3ea4dc

@ -1 +1 @@
Subproject commit 909c17a77980ba179328cc8a715b0d510b73cb40
Subproject commit 1835dff2e172f34226dbf09750915f83fac289de