Bump the style group across 1 directory with 3 updates

Bumps the style group with 2 updates in the /ui directory: [primeng](https://github.com/primefaces/primeng/tree/HEAD/packages/primeng) and [@tailwindcss/postcss](https://github.com/tailwindlabs/tailwindcss/tree/HEAD/packages/@tailwindcss-postcss).


Updates `primeng` from 21.0.1 to 21.0.2
- [Release notes](https://github.com/primefaces/primeng/releases)
- [Changelog](https://github.com/primefaces/primeng/blob/master/CHANGELOG.md)
- [Commits](https://github.com/primefaces/primeng/commits/21.0.2/packages/primeng)

Updates `@tailwindcss/postcss` from 4.1.17 to 4.1.18
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.18/packages/@tailwindcss-postcss)

Updates `tailwindcss` from 4.1.17 to 4.1.18
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/commits/v4.1.18/packages/tailwindcss)

---
updated-dependencies:
- dependency-name: primeng
  dependency-version: 21.0.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: style
- dependency-name: "@tailwindcss/postcss"
  dependency-version: 4.1.18
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: style
- dependency-name: tailwindcss
  dependency-version: 4.1.18
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: style
...

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Author: dependabot[bot]