### What happened? When provider is set to `hosted_vllm`/`openai_like`, embeddings requests are missing custom headers (see [the code](https://github.com/BerriAI/litellm/blob/33510120fdbc4a47122d615dc3b95426e12d54df/litellm/main.py#L3879-L3910) - no handling of `extra_headers`). ### Relevant log output ```shell ``` ### Are you a ML Ops Team? Yes ### What LiteLLM version are you on ? v.1.74.9 ### Twitter / LinkedIn details _No response_