Bump django-coverage-plugin from 1.5.0 to 1.6.0
Bump django-coverage-plugin from 1.5.0 to 1.6.0

Bumps [django-coverage-plugin](https://github.com/nedbat/django_coverage_plugin) from 1.5.0 to 1.6.0.
- [Release notes](https://github.com/nedbat/django_coverage_plugin/releases)
- [Changelog](https://github.com/nedbat/django_coverage_plugin/blob/master/HISTORY.rst)
- [Commits](https://github.com/nedbat/django_coverage_plugin/compare/v1.5.0...v1.6.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
gpodder/mygpo,gpodder/mygpo,gpodder/mygpo,gpodder/mygpo