2.46.0

Various fixes & improvements

• Preserve metadata on wrapped coroutines (#5105) by @alexander-alderman-webb
• Make imports defensive to avoid ModuleNotFoundError in Pydantic AI integration (#5135) by @alexander-alderman-webb
• Fix OpenAI agents integration mistakenly enabling itself (#5132) by @sentrivana
• Add instrumentation to embedding functions for various backends (#5120) by @constantinius
• Improve embeddings support for OpenAI (#5121) by @constantinius
• Enhance input handling for embeddings in LiteLLM integration (#5127) by @constantinius
• Expect exceptions when re-raised (#5125) by @alexander-alderman-webb
• Remove MagicMock from mocked ModelResponse (#5126) by @alexander-alderman-webb