Bump certifi from 2020.4.5.1 to 2020.6.20 (#147)
Bump certifi from 2020.4.5.1 to 2020.6.20 (#147)

Bumps [certifi](https://github.com/certifi/python-certifi) from 2020.4.5.1 to 2020.6.20.
- [Release notes](https://github.com/certifi/python-certifi/releases)
- [Commits](https://github.com/certifi/python-certifi/compare/2020.04.05.1...2020.06.20)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

Co-authored-by: dependabot-preview[bot] <6a4c1c4838f800d1998274cd5234e1f65c55e90c@users.noreply.github.com>
Co-authored-by: Chris Wedgwood <60d82f220c586cd0ba342430daf1b7e054b4a9ad@gmail.com>
django-de/djangosnippets.org,django-de/djangosnippets.org,django/djangosnippets.org,django-de/djangosnippets.org,django/djangosnippets.org,django/djangosnippets.org,django-de/djangosnippets.org,django/djangosnippets.org,django/djangosnippets.org