Update plugin dependencies: decart 0.0.33, turbopuffer 1.21.0, deepgram-sdk 6.1.1

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Summary

Updates three plugin dependencies to their latest compatible versions.

Changes

decart ==0.0.8 → >=0.0.33

• API migration: enrich parameter renamed to enhance across Prompt, set_prompt(), and RestylingProcessor.__init__
• mirror parameter and set_mirror() method removed (no longer supported by SDK)
• ModelState no longer accepts mirror field
• Tests updated to reflect new API

turbopuffer >=1.17.0,<1.18 → >=1.17.0,<1.22 (1.17.0 → 1.21.0)

• SDK was rewritten (Stainless-generated) but maintains backward compatibility
• AsyncTurbopuffer, .namespace(), .write(), .query(), .delete_all(), .hint_cache_warm() all preserved
• Added type: ignore for upsert_rows dict-to-TypedDict incompatibility (mypy doesn't support extra_items on TypedDict yet)

deepgram-sdk >=6.0.1,<6.1.0 → >=6.0.1,<6.2.0 (6.0.1 → 6.1.1)

• 6.1.0 adds multi-provider agent features (no breaking changes for STT/TTS)
• 6.1.1 restores optional message param on control send_ methods
• SpeakV1Text now requires explicit type="Speak" parameter

Packages NOT updated (blocked)

• mistralai: 2.0+ removes Mistral class (breaking), pinned <2
• moondream: 1.0+ not tested, pinned <1; also constrains pillow<11
• transformers: 5.x available but plugins cap at <5
• websockets: 16.0 available but xai plugin caps at <16
• huggingface_hub: 1.x available but pinned <1.0

Verification

• uv run dev.py check passes: ruff, mypy (core + plugins), 835 unit tests
• 44 test errors are pre-existing (redis/Docker fixtures unavailable in this environment)