Chore: 1.5.2

## [1.5.2](v1.5.1...v1.5.2) (2022-04-25)

### Fix

* Token Validity Bounds missing (coscine/issues#2003) ([3492a3a0](3492a3a0)), closes [coscine/issues#2003](https://git.rwth-aachen.de/coscine/issues/issues/2003)