Bump lighthouse from 12.6.0 to 12.8.2

Bumps [lighthouse](https://github.com/GoogleChrome/lighthouse) from 12.6.0 to 12.8.2.
- [Release notes](https://github.com/GoogleChrome/lighthouse/releases)
- [Changelog](https://github.com/GoogleChrome/lighthouse/blob/main/changelog.md)
- [Commits](GoogleChrome/lighthouse@v12.6.0...v12.8.2)

---
updated-dependencies:
- dependency-name: lighthouse
  dependency-version: 12.8.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]