Bump perceval from 0.21.1 to 0.22.0

Bumps [perceval](https://github.com/chaoss/grimoirelab-perceval) from 0.21.1 to 0.22.0.
- [Release notes](https://github.com/chaoss/grimoirelab-perceval/releases)
- [Changelog](https://github.com/chaoss/grimoirelab-perceval/blob/master/NEWS)
- [Commits](chaoss/grimoirelab-perceval@0.21.1...0.22.0)

---
updated-dependencies:
- dependency-name: perceval
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>