Custom headers and follow_redirects passable to base client

What's Changed

• Allow passing headers, follow_redirects from ElevenLabs, AsyncElevenLabs to parent/base class by @pchng in https://github.com/elevenlabs/elevenlabs-python/pull/797
• SDK regeneration by @fern-api[bot] in https://github.com/elevenlabs/elevenlabs-python/pull/804

New Contributors

• @pchng made their first contribution in https://github.com/elevenlabs/elevenlabs-python/pull/797

Full Changelog: https://github.com/elevenlabs/elevenlabs-python/compare/v2.53.0...v2.54.0