[Checkins] [zopefoundation/ZEO] 9c8d8c: - prepare release 5.2.2

[Jens Vagelpohl]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/ZEO
  Commit: 9c8d8c436ac77171c1eb4198e6a8b65d2150efa0
      https://github.com/zopefoundation/ZEO/commit/9c8d8c436ac77171c1eb4198e6a8b65d2150efa0
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2020-08-11 (Tue, 11 Aug 2020)

  Changed paths:
    M CHANGES.rst
    M setup.py

  Log Message:
  -----------
  - prepare release 5.2.2