Update git submodules

* Update bifrost from branch 'master'
  - Update master for stable/stein
    
    Add file to the reno documentation build to show release notes for
    stable/stein.
    
    Use pbr instruction to increment the minor version number
    automatically so that master versions are higher than the versions on
    stable/stein.
    
    Change-Id: Ib39e1866eddad91c9aacb6ba4d3e3f1e935dfc10
    Sem-Ver: feature
This commit is contained in:
OpenStack Release Bot 2019-03-20 20:49:20 +00:00 committed by Gerrit Code Review
parent c9f5c96cf2
commit 91431b0cb4

@ -1 +1 @@
Subproject commit 86ddca659a7925bb38228be3c854799ded55774a
Subproject commit ec68d4f142bc01a00ebe513144d521b795bb7876