[Checkins] [zopefoundation/Zope] 46e0ef: Update to current releases of the dependencies.

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Zope
  Commit: 46e0ef0222979cf9e3021941bc97fd99b3175c08
      https://github.com/zopefoundation/Zope/commit/46e0ef0222979cf9e3021941bc97fd99b3175c08
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-09-04 (Wed, 04 Sep 2019)

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

  Log Message:
  -----------
  Update to current releases of the dependencies.