Bump perceval from 1.0.2 to 1.0.3

Bumps [perceval](https://github.com/chaoss/grimoirelab-perceval) from 1.0.2 to 1.0.3.
- [Release notes](https://github.com/chaoss/grimoirelab-perceval/releases)
- [Changelog](https://github.com/chaoss/grimoirelab-perceval/blob/master/NEWS)
- [Commits](chaoss/grimoirelab-perceval@1.0.2...1.0.3)

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

Signed-off-by: dependabot[bot] <[email protected]>