chore(deps-dev): bump parcel from 2.0.0-nightly.280 to 2.0.0-nightly.284 (#108)

Bumps [parcel](https://github.com/parcel-bundler/parcel) from 2.0.0-nightly.280 to 2.0.0-nightly.284.
- [Release notes](https://github.com/parcel-bundler/parcel/releases)
- [Changelog](https://github.com/parcel-bundler/parcel/blob/v2/CHANGELOG.md)
- [Commits](https://github.com/parcel-bundler/parcel/commits)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]