SDK regeneration (#835)

* [fern-generated] Update SDK

Generated by Fern
CLI Version: unknown
Generators:
  - fernapi/fern-python-sdk: 4.64.1

* [fern-replay] Applied customizations

Patches with unresolved conflicts (1):
  - patch-560b8934: fix: send list-of-primitive multipart fields as repeated form fields (#819) (#825)
    Run `fern-replay resolve` to apply these customizations.

* fix: send dubbing keyterms/webhook_ids as repeated multipart form fields

The create-dubbing-project endpoint gained a new webhook_ids field, which
shifted the context of the Fern Replay patch #825 so its body hunk no longer
applied: `import json` was removed but `json.dumps(...)` was left behind for
both keyterms and webhook_ids, breaking mypy (and raising NameError at runtime).

Extend the fix to both fields so it matches the TS SDK (repeated form fields).
Fern Replay will re-derive the patch to cover webhook_ids on the next regen.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: fern-api[bot] <115122769+fern-api[bot]@users.noreply.github.com>
Co-authored-by: Kræn Hansen <kraen@elevenlabs.io>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>