* fix: update provider-utils and add patch for header merging logic
* fix: enhance header merging logic to deduplicate values
* fix: handle null values in header merging logic
* chore: update ai-sdk dependencies and remove obsolete patches
- Updated @ai-sdk/amazon-bedrock from 3.0.56 to 3.0.61
- Updated @ai-sdk/anthropic from 2.0.45 to 2.0.49
- Updated @ai-sdk/gateway from 2.0.13 to 2.0.15
- Updated @ai-sdk/google from 2.0.40 to 2.0.43
- Updated @ai-sdk/google-vertex from 3.0.72 to 3.0.79
- Updated @ai-sdk/openai from 2.0.71 to 2.0.72
- Updated @ai-sdk/provider-utils from patch version to 3.0.17
- Removed obsolete patches for @ai-sdk/openai and @ai-sdk/provider-utils
- Added reasoning_content field to OpenAIChat response and chunk schemas
- Enhanced OpenAIChatLanguageModel to handle reasoning content in responses
* chore
5fb59d21ec