[Feature Request]: `OpenAIEmbeddingFunction` support azure ad token provider

[wuxu92]

Describe the problem

current implementation only support the api key auth, but most of production environment prefer to use azure ad token, we need the ability to pass the azure_ad_token_provider parameter when init AzureOpenAI client instance.

Describe the proposed solution

add a new parameter as azure_ad_token_provider to OpenAIEmbeddingFunction.

chroma/chromadb/utils/embedding_functions/openai_embedding_function.py

Line 9 in 5e58b94

class OpenAIEmbeddingFunction(EmbeddingFunction[Documents]):

Alternatives considered

No response

Importance

i cannot use Chroma without it

Additional Information

No response