fix(gooddata-sdk): [AUTO] make LlmProvider models and providerConfig nullable

[yenkins-admin]

Make CatalogLlmProviderAttributes.models and .provider_config optional to match the updated metadata-api OpenAPI spec where both fields are no longer required.

P020 | Workflow: https://github.com/gooddata/gdc-nas/actions/runs/23194184862

What changed in gdc-nas

• abb5c41 — Regenerated OpenAPI spec: providerConfig gains nullable: true and models/providerConfig removed from required arrays in JsonApiLlmProviderIn, JsonApiLlmProviderInPatch, and JsonApiLlmProviderOut schemas
• 06ec721 — LlmProvider.providerConfig and LlmProvider.models changed from required non-nullable fields to nullable optional (default null) to fix a PATCH 500 error caused by the stock framework attempting to reflectively construct a sealed class via private constructor

Related Jira: GDAI-1350

What was implemented in SDK

• CatalogLlmProviderAttributes.models: List[CatalogLlmProviderModel] → List[CatalogLlmProviderModel] | None = None
• CatalogLlmProviderAttributes.provider_config: CatalogLlmProviderConfig → CatalogLlmProviderConfig | None = None
• CatalogLlmProvider.from_api(): fixed null-safety — returns None for models and provider_config when the API response contains null, instead of constructing CatalogLlmProviderConfig from an empty dict or iterating over None
• Aligns CatalogLlmProviderAttributes with the already-correct CatalogLlmProviderPatchAttributes pattern

Files modified

• packages/gooddata-sdk/src/gooddata_sdk/catalog/organization/entity_model/llm_provider.py

JIRA: PENDING (Jira ticket will be created after review)
Risk: Low

[codecov]

Codecov Report

❌ Patch coverage is 33.33333% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 77.24%. Comparing base (4dc3f87) to head (a271ae6).

Files with missing lines	Patch %	Lines
.../catalog/organization/entity_model/llm_provider.py	33.33%	4 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1446   +/-   ##
=======================================
  Coverage   77.24%   77.24%           
=======================================
  Files         227      227           
  Lines       14672    14672           
=======================================
  Hits        11334    11334           
  Misses       3338     3338           

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