[Checkins] [zopefoundation/tempstorage] cb2896: Update PyPy version.

[Jürgen Gmach]

  Branch: refs/heads/revise-python-versions
  Home:   https://github.com/zopefoundation/tempstorage
  Commit: cb2896502d316202f150d43d345d8704701153ba
      https://github.com/zopefoundation/tempstorage/commit/cb2896502d316202f150d43d345d8704701153ba
  Author: Jürgen Gmach <juergen.gmach at apis.de>
  Date:   2019-04-09 (Tue, 09 Apr 2019)

  Changed paths:
    M .travis.yml
    M CHANGES.rst

  Log Message:
  -----------
  Update PyPy version.

cf https://docs.travis-ci.com/user/languages/python/#pypy-support

modified:   .travis.yml
modified:   CHANGES.rst