v4.15.0

What's Changed

• Allow adding vectors using collection.config.add_vector by @tsmith023 in #1640
• Adding VoyageAI's v3.5 models by @fzowl in #1679
• Add embed-v4.0 to the list of available Cohere models by @databyjp in #1680
• Unify Weaviate Python Client RTD docs with Weaviate Agents Python Client RTD docs by @StefanBogdan in #1678
• Copy context to ensure open telemetry makes it to batch requests by @tsmith023 in #1655
• Embedded Weaviate changes by @databyjp in #1681
• Fix config schema with multivector by @robbespo00 in #1573
• Bm25 operators by @dirkkul in #1683

Full Changelog: v4.14.4...v4.15.0