Bump @nivo/pie from 0.80.0 to 0.84.0

Bumps [@nivo/pie](https://github.com/plouc/nivo/tree/HEAD/packages/pie) from 0.80.0 to 0.84.0.
- [Release notes](https://github.com/plouc/nivo/releases)
- [Changelog](https://github.com/plouc/nivo/blob/master/CHANGELOG.md)
- [Commits](https://github.com/plouc/nivo/commits/v0.84.0/packages/pie)

---
updated-dependencies:
- dependency-name: "@nivo/pie"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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