community: Update azureml endpoint (#28953)
- In this PR, I have updated the AzureML Endpoint with the latest
endpoint.
- **Description:** I have changed the existing `/chat/completions` to
`/models/chat/completions` in
libs/community/langchain_community/llms/azureml_endpoint.py
- **Issue:** #25702
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Co-authored-by: = <=>
