Bump @natlibfi/melinda-backend-commons from 2.1.0 to 2.2.1

Bumps [@natlibfi/melinda-backend-commons](https://github.com/natlibfi/melinda-backend-commons-js) from 2.1.0 to 2.2.1.
- [Release notes](https://github.com/natlibfi/melinda-backend-commons-js/releases)
- [Commits](NatLibFi/melinda-backend-commons-js@v2.1.0...v2.2.1)

---
updated-dependencies:
- dependency-name: "@natlibfi/melinda-backend-commons"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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