Square-skill-api

What's Changed
* Sort Attributions according to the predictions by timbmg in https://github.com/UKP-SQuARE/square-skill-api/pull/4


**Full Changelog**: https://github.com/UKP-SQuARE/square-skill-api/compare/v0.0.21...v0.0.22

Fixes bug in attribution types.

**Full Changelog**: https://github.com/UKP-SQuARE/square-skill-api/compare/v0.0.20...v0.0.21

Adds attributions to prediction object only if set.

**Full Changelog**: https://github.com/UKP-SQuARE/square-skill-api/compare/v0.0.19...v0.0.20

Support Explainability I/O

**Full Changelog**: https://github.com/UKP-SQuARE/square-skill-api/compare/v0.0.18...v0.0.19

Remove auth