Update git submodules

* Update tacker-horizon from branch 'master'
  - Merge "Bump default tox env from py37 to py38"
  - Bump default tox env from py37 to py38
    
    Python 3.8 is now our highest level supported python runtime.
    This updates the default tox target environments to swap out
    py37 for py38 to make sure local development testing is
    covering this version.
    
    This does not impact zuul jobs in any way, nor prevent local
    tests against py37. It just changes the default if none is
    explicitly provided.
    
    Change-Id: Ia852a117466efde5f79f89c31b65388003f854c2
This commit is contained in:
Zuul 2020-07-22 14:41:11 +00:00 committed by Gerrit Code Review
parent d02cf20119
commit f259d57386
1 changed files with 1 additions and 1 deletions

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Subproject commit c28ff74b35c0c85a8e00d6906014676428727d1f
Subproject commit 68b5b32035f87feb0820aa0ef31e87ee24486699