feat: Add new OVHcloud models

[eliasto]

Description

Added new OVHcloud AI Endpoints models and support for tool callings.

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• I've read the contributing guide
• The relevant docs, if any, have been updated or created
• The relevant tests, if any, have been updated or created

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Summary by cubic

Adds new OVHcloud AI Endpoints models and enables tool calling for selected OVHcloud models. Updates the model mappings, UI picker, and VS Code schema.

• New Features
  • Adds OVHcloud models: qwen3-32b, qwen3-coder-30b-a3b, qwen2.5-vl-72b, mistral-small-3.2-24b, gpt-oss-20b, gpt-oss-120b.
  • Enables tool calling for OVHcloud on: qwen3-32b, qwen3-coder-30b-a3b, DeepSeek-R1-Distill-Llama-70B, Mistral-Nemo, gpt-oss-20b/120b, qwen2.5-coder-32b, and others per catalog.
  • Add New Model UI: lists these under OVHcloud; gpt-oss 20b/120b can be selected via vLLM or OVHcloud; qwen3-32b adds OVHcloud option with 32k context.
  • Updates VS Code config schema, docs, and OVHcloud model ID mappings to include the new models.

^{Written for commit a6e5ef4. Summary will update on new commits.}

[github-actions]

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[eliasto]

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[cubic-dev-ai]

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