[Checkins] [zopefoundation/z3c.recipe.tag] 460b4d: Add support for modern Python versions.

[Michael Howitz]

  Branch: refs/heads/new-py-versions
  Home:   https://github.com/zopefoundation/z3c.recipe.tag
  Commit: 460b4d34d65f6ea03fd1ef38772be8f93053195c
      https://github.com/zopefoundation/z3c.recipe.tag/commit/460b4d34d65f6ea03fd1ef38772be8f93053195c
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-02-12 (Wed, 12 Feb 2020)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    R bootstrap.py
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Add support for modern Python versions.