chore[mod]: update registry model constants

[maxim-smotrov]

🎯 What problem does this PR solve?

• SDK model constants were out of sync with the upstream registry.

📝 How does it solve it?

• Regenerated packages/sdk/models/registry/models.ts with bun run update-models

📦 Models

Added models

BERGAMOT_EN_KO_SRCVOCAB
BERGAMOT_EN_KO_TRGVOCAB
REALESRGAN_X4PLUS
REALESRGAN_X4PLUS_ANIME_6B
REALESRNET_X4PLUS

Removed models

BERGAMOT_EN_ZH
BERGAMOT_EN_ZH_LEX
BERGAMOT_EN_ZH_SRCVOCAB
BERGAMOT_EN_ZH_TRGVOCAB
BERGAMOT_METADATA_53
BERGAMOT_METADATA_92
BERGAMOT_ZH_EN
BERGAMOT_ZH_EN_LEX
BERGAMOT_ZH_EN_VOCAB

[lauripiisang]

approving, but seems like bergamot models are getting added and removed from registry without warning. This will cause issues for users relying on models to be there in a stable fashion

[maxim-smotrov]

/review

[github-actions]

Tier-based Approval Status

**PR Tier:** TIER1

**Current Status:** ✅ APPROVED

**Requirements:**
- 1 Team Member approval ✅ (1/1)
- 1 Team Lead OR Management approval ✅ (1/1)



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*This comment is automatically updated when reviews change.*