What's Changed

• Allow PartsRepresentable to throw errors by @morganchen12 in https://github.com/google/generative-ai-swift/pull/88
• Update ModelContent.Part enum decoding strategy by @andrewheard in https://github.com/google/generative-ai-swift/pull/115
• Capture and share the backend's message for an invalid API key by @paulb777 in https://github.com/google/generative-ai-swift/pull/120
• Add function calling support by @andrewheard in https://github.com/google/generative-ai-swift/pull/116

Full Changelog: https://github.com/google/generative-ai-swift/compare/0.4.8...0.4.9