[Checkins] [zopefoundation/Zope] febb49: - publish new version pins on the 4.x branch

[Jens Vagelpohl]

  Branch: refs/heads/gh-pages
  Home:   https://github.com/zopefoundation/Zope
  Commit: febb49307cc912eb8a37197af061d548159afce2
      https://github.com/zopefoundation/Zope/commit/febb49307cc912eb8a37197af061d548159afce2
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-12-01 (Sun, 01 Dec 2019)

  Changed paths:
    M releases/4.x/constraints.txt
    M releases/4.x/requirements-full.txt
    M releases/4.x/versions-prod.cfg
    M releases/4.x/versions.cfg

  Log Message:
  -----------
  - publish new version pins on the 4.x branch