deps: bump elevenlabs from 1.59.0 to 2.8.1

Bumps [elevenlabs](https://github.com/elevenlabs/elevenlabs-python) from 1.59.0 to 2.8.1.
- [Release notes](https://github.com/elevenlabs/elevenlabs-python/releases)
- [Commits](elevenlabs/elevenlabs-python@v1.59.0...v2.8.1)

---
updated-dependencies:
- dependency-name: elevenlabs
  dependency-version: 2.8.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]