Gemini AI sync latest version

[aydinfatih]

Feat

• Add maxTemperature property to Model data
• Add pageSize and nextPageToken params to model list method
• Add usageMetadata info for generate content request
• Add BLOCKLIST and PROHIBITED_CONTENT enums to BlockReason enum
• Add LANGUAGE, BLOCKLIST, PROHIBITED_CONTENT, SPII and MALFORMED_FUNCTION_CALL enums to FinishReason enum
• dd HARM_CATEGORY_CIVIC_INTEGRITY enum to HarmCategory enum
• Add QUESTION_ANSWERING and FACT_VERIFICATION enums to TaskType enum
• Add ModelVariation enum
• Add GEMINI_FLASH and TEXT_EMBEDDING enums to ModelType
• Add generateGeminiModel method to ModelType enum
• Add geminiFlash method to ClientContract
• Add avgLogprobs property to Candidate

Refactor

• Add deprecated annotation to gemini pro vision usages
• Update index parameter in Candidate to nullable