Bump prettier-plugin-solidity from 1.4.1 to 1.4.2

Bumps [prettier-plugin-solidity](https://github.com/prettier-solidity/prettier-plugin-solidity) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/prettier-solidity/prettier-plugin-solidity/releases)
- [Commits](https://github.com/prettier-solidity/prettier-plugin-solidity/commits)

---
updated-dependencies:
- dependency-name: prettier-plugin-solidity
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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