Chore: 1.2.0

# [1.2.0](v1.1.7...v1.2.0) (2021-01-19)

### Update

* Use Yarn 2 with pnp (coscine/issues#1227) ([d25aa44c](d25aa44c)), closes [coscine/issues#1227](https://git.rwth-aachen.de/coscine/issues/issues/1227)