[Checkins] [zopefoundation/Zope] 6e96a9: Update to ZCatalog 5.2 and set branches for packa...

[Michael Howitz]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 6e96a9a2eb8a79d9d8039db60f47b1d36f2acf59
      https://github.com/zopefoundation/Zope/commit/6e96a9a2eb8a79d9d8039db60f47b1d36f2acf59
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-09 (Fri, 09 Oct 2020)

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

  Log Message:
  -----------
  Update to ZCatalog 5.2  and set branches for packages those master is Zope 5 only.