v4.19.0

This minor version includes:

• Support for new 1.35 features:
  • Add support for time-to-live (TTL) on objects
  • Add support for new multi2multivec-weaviate module
  • Enhance model integration helper functions
    • Add separate service-specific helpers for aws sagemaker vs bedrock, or google gemini vs vertex
    • Add BaseURL support for Cohere rerankers
    • Fix model provider parameters
  • Improve batch performance by optimizing checks for live threads
  • Update authlib