v2.19.7

Fixed

• Azure embedding provider ignores api_key and base_url from config — Fixed AzureEmbeddingModel reading api_key and base_url from constructor kwargs instead of self.*, causing config-provided values to be silently ignored. Also corrected azure_endpoint kwarg priority over generic base_url.
• Embedding providers have redundant kwargs.get() fallbacks — Cleaned up dead code in OpenAI, Voyage, Google, and Jina embedding providers that redundantly read api_key/base_url from kwargs after the base class already set them on self.*.