Chore: 1.8.1

## [1.8.1](https://git.rwth-aachen.de/coscine/api/sts/compare/v1.8.0...v1.8.1) (2020-01-13)

### Fix

* Logging working on POST (coscine/issues#572) ([9c7669e4](https://git.rwth-aachen.de/coscine/api/sts/commit/9c7669e4d923e6a69e6da0835c8f6ec9f87462d5)), closes [coscine/issues#572](https://git.rwth-aachen.de/coscine/issues/issues/572)