Bump the frontend group with 3 updates

Bumps the frontend group with 3 updates: [postcss](https://github.com/postcss/postcss), [prettier](https://github.com/prettier/prettier) and [stylelint](https://github.com/stylelint/stylelint).


Updates `postcss` from 8.4.47 to 8.4.49
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.47...8.4.49)

Updates `prettier` from 3.3.3 to 3.4.1
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.3.3...3.4.1)

Updates `stylelint` from 16.10.0 to 16.11.0
- [Release notes](https://github.com/stylelint/stylelint/releases)
- [Changelog](https://github.com/stylelint/stylelint/blob/main/CHANGELOG.md)
- [Commits](stylelint/stylelint@16.10.0...16.11.0)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: frontend
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: frontend
- dependency-name: stylelint
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: frontend
...

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