chore(deps): bump the npm group in /frontend with 5 updates

Bumps the npm group in /frontend with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [next](https://github.com/vercel/next.js) | `16.2.2` | `16.2.3` |
| [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) | `25.5.2` | `25.6.0` |
| [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next) | `16.2.2` | `16.2.3` |
| [postcss](https://github.com/postcss/postcss) | `8.5.9` | `8.5.10` |
| [prettier](https://github.com/prettier/prettier) | `3.8.1` | `3.8.3` |


Updates `next` from 16.2.2 to 16.2.3
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v16.2.2...v16.2.3)

Updates `@types/node` from 25.5.2 to 25.6.0
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Updates `eslint-config-next` from 16.2.2 to 16.2.3
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/commits/v16.2.3/packages/eslint-config-next)

Updates `postcss` from 8.5.9 to 8.5.10
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.9...8.5.10)

Updates `prettier` from 3.8.1 to 3.8.3
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@3.8.1...3.8.3)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.2.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: "@types/node"
  dependency-version: 25.6.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
- dependency-name: eslint-config-next
  dependency-version: 16.2.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: postcss
  dependency-version: 8.5.10
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: prettier
  dependency-version: 3.8.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
...

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Author: dependabot[bot]