[Checkins] [zopefoundation/Zope] 6ba946: Pin ``AccessControl`` to 4.2, it gained a missing ...

[Jens Vagelpohl]

  Branch: refs/heads/4.x
  Home:   https://github.com/zopefoundation/Zope
  Commit: 6ba9467214c86f34ff8ab7a4a4b8b019a0a591bc
      https://github.com/zopefoundation/Zope/commit/6ba9467214c86f34ff8ab7a4a4b8b019a0a591bc
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-04-20 (Mon, 20 Apr 2020)

  Changed paths:
    M CHANGES.rst
    M constraints.txt
    M requirements-full.txt
    M setup.py
    M src/App/DavLockManager.py
    M src/OFS/Lockable.py
    M src/OFS/bbb.py
    M src/webdav/__init__.py
    M versions-prod.cfg

  Log Message:
  -----------
  Pin ``AccessControl`` to 4.2, it gained a missing WebDAV permission name