chore(deps-dev): bump prettier-plugin-packagejson from 2.4.6 to 2.5.6

Bumps [prettier-plugin-packagejson](https://github.com/matzkoh/prettier-plugin-packagejson) from 2.4.6 to 2.5.6.
- [Release notes](https://github.com/matzkoh/prettier-plugin-packagejson/releases)
- [Commits](matzkoh/prettier-plugin-packagejson@v2.4.6...v2.5.6)

---
updated-dependencies:
- dependency-name: prettier-plugin-packagejson
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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