[Checkins] [zopefoundation/Zope] ca2070: Add 4.1.2 release.

[Michael Howitz]

  Branch: refs/heads/gh-pages
  Home:   https://github.com/zopefoundation/Zope
  Commit: ca207086e7a696f28dc5a1cfad2f8910a4907755
      https://github.com/zopefoundation/Zope/commit/ca207086e7a696f28dc5a1cfad2f8910a4907755
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-09-04 (Wed, 04 Sep 2019)

  Changed paths:
    M README.md
    A releases/4.1.2/constraints.txt
    A releases/4.1.2/requirements-full.txt
    A releases/4.1.2/versions-prod.cfg
    A releases/4.1.2/versions.cfg
    M releases/master/constraints.txt
    M releases/master/requirements-full.txt
    M releases/master/versions-prod.cfg

  Log Message:
  -----------
  Add 4.1.2 release.