[Checkins] [zopefoundation/zopetoolkit] 3e330d: Update to zope.interface 5.1.0.

[Michael Howitz]

  Branch: refs/heads/zope.interface-5.1
  Home:   https://github.com/zopefoundation/zopetoolkit
  Commit: 3e330dcb9c260980476498b8643d00cf1647f73e
      https://github.com/zopefoundation/zopetoolkit/commit/3e330dcb9c260980476498b8643d00cf1647f73e
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-09-23 (Wed, 23 Sep 2020)

  Changed paths:
    M ztk-versions.cfg

  Log Message:
  -----------
  Update to zope.interface 5.1.0.