Bump serialize-to-js and parcel

Bumps [serialize-to-js](https://github.com/commenthol/serialize-to-js) to 3.1.2 and updates ancestor dependency [parcel](https://github.com/parcel-bundler/parcel). These dependencies need to be updated together.


Updates `serialize-to-js` from 1.2.2 to 3.1.2
- [Release notes](https://github.com/commenthol/serialize-to-js/releases)
- [Commits](commenthol/serialize-to-js@v1.2.2...v3.1.2)

Updates `parcel` from 1.12.3 to 1.12.4
- [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/compare/[email protected]@1.12.4)

---
updated-dependencies:
- dependency-name: serialize-to-js
  dependency-type: indirect
- dependency-name: parcel
  dependency-type: direct:development
...

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