chore(release): 3.15.0

# [3.15.0](https://gitlab.tsn.tno.nl/ci/templates/compare/v3.14.1...v3.15.0) (2021-07-27)

### Features

* pytest coverage report ([187f8675](https://gitlab.tsn.tno.nl/ci/templates/commit/187f8675512804849c18d3c1a232ef23f263c630))