[Checkins] [zopefoundation/Zope] 30502a: Update .travis.yml to match renamed tox env

[Jürgen Gmach]

  Branch: refs/heads/flake8-via-pre-commit
  Home:   https://github.com/zopefoundation/Zope
  Commit: 30502ae947ab5c9e55b52eb73f3f7da2036c62d0
      https://github.com/zopefoundation/Zope/commit/30502ae947ab5c9e55b52eb73f3f7da2036c62d0
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-09-24 (Thu, 24 Sep 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  Update .travis.yml to match renamed tox env

modified:   .travis.yml