[dependency]: bump the faucet-frontend-dependencies group

Bumps the faucet-frontend-dependencies group in /faucet/frontend with 4 updates: [axios](https://github.com/axios/axios), [next](https://github.com/vercel/next.js), [sass](https://github.com/sass/dart-sass) and [eslint-config-next](https://github.com/vercel/next.js/tree/HEAD/packages/eslint-config-next).


Updates `axios` from 1.7.9 to 1.8.1
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/v1.x/CHANGELOG.md)
- [Commits](axios/axios@v1.7.9...v1.8.1)

Updates `next` from 15.1.7 to 15.2.0
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.1.7...v15.2.0)

Updates `sass` from 1.85.0 to 1.85.1
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](sass/dart-sass@1.85.0...1.85.1)

Updates `eslint-config-next` from 15.1.7 to 15.2.0
- [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/v15.2.0/packages/eslint-config-next)

---
updated-dependencies:
- dependency-name: axios
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: faucet-frontend-dependencies
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: faucet-frontend-dependencies
- dependency-name: sass
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: faucet-frontend-dependencies
- dependency-name: eslint-config-next
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: faucet-frontend-dependencies
...

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

Author: dependabot[bot]