[Checkins] [zopefoundation/zope.server] e55952: Try to fix the PyPy2 job on TravisCI

[Michael Howitz]

  Branch: refs/heads/fix-pypy
  Home:   https://github.com/zopefoundation/zope.server
  Commit: e559520e95df550455263be17cab11730db8646d
      https://github.com/zopefoundation/zope.server/commit/e559520e95df550455263be17cab11730db8646d
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-30 (Fri, 30 Oct 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Try to fix the PyPy2 job on TravisCI

It seems to use a too old OpenSSL version.