[Checkins] [zopefoundation/Zope] 876ee0: Updated master versions based on 4.x versions.

[Maurits van Rees]

  Branch: refs/heads/maurits/update-master-versions-based-on-4x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 876ee0171407c14029999d9993023e05dde794f8
      https://github.com/zopefoundation/Zope/commit/876ee0171407c14029999d9993023e05dde794f8
  Author: Maurits van Rees <maurits at vanrees.org>
  Date:   2020-07-30 (Thu, 30 Jul 2020)

  Changed paths:
    M constraints.txt
    M requirements-full.txt
    M versions-prod.cfg
    M versions.cfg

  Log Message:
  -----------
  Updated master versions based on 4.x versions.

I copied them over, including not yet merged zodbupdate 1.5, and edited to prevent unwanted changes.
I did this because I noticed that ZODB was still at 5.5.1 instead of 5.6.0.
All updated versions are newer versions.