[Checkins] [zopefoundation/ZODB] d95498: Release version 5.6.0

[Julien Muchembled]

  Branch: refs/heads/5.6.0
  Home:   https://github.com/zopefoundation/ZODB
  Commit: d95498871b15987e17e198de05582feb9b1b58bf
      https://github.com/zopefoundation/ZODB/commit/d95498871b15987e17e198de05582feb9b1b58bf
  Author: Julien Muchembled <jm at nexedi.com>
  Date:   2020-06-11 (Thu, 11 Jun 2020)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
  -----------
  Release version 5.6.0