fix(deps): update dependency @google/genai to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@google/genai	^1.11.0 → ^2.0.0

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Release Notes

googleapis/js-genai (@​google/genai)

v2.8.0

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Features

• Add Agent Platform MCP support to async generate_content (baeaeaa)
• Add transcription language code. (d2981d6)
• Add TranslationConfig for live translation. (8c44240)
• Support ReinforcementTuning in GenAI SDK including ValidateReward API method. (36f0bfb)

v2.7.0

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Features

• Add Skill Registry ListSkills and DeleteSkill to SDK (d75582a)
• additional computer_use field support for vertex. (54a692b)
• interaction-api: Allow "text/csv" as a supported document mime type for Interaction API. (3cc830e)
• interaction-api: Enable BigQuery tool in Deep Research config. (58c8c7e)
• Support Reinforcement Tuning in GenAI SDK (418cc35)

v2.6.0

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Features

• add enable_prompt_injection_detection for Computer Use feature for the Gemini API. (f780f3c)
• Add budget_exceeded status (1e97bd0)
• Add gemini-3.5-flash (1e97bd0)
• add new fields (b78eeee)

v2.5.0

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Features

• Add Gemini 3.5 Flash model to options (fcf26e3)

v2.4.0

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Features

• support Agent and Environment APIs. (b0d9d2b)

Bug Fixes

• output_text for turns that don't end with text. (1a3d94f)

v2.3.0

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Features

• interaction.{output_text,output_image,output_audio,output_video} (0188233)

v2.2.0

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Features

• Added missing FunctionCallResultDelta type and arguments field to the ArgumentDelta type (f76138b)

v2.1.0

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Features

• Add gemini-3.1-flash-lite to model options (b0664e1)
• Add parameters to video response_format. (207c8f8)
• Introduce Server Side tools deltas (2e56d41)
• support Blocking FunctionCall in Live API in AgentPlatform (Vertex) (6bd8e7d)
• Add support for Vertex-lyria models lyria-3-pro-preview & lyria-3-clip-preview (f9af7410)

Bug Fixes

• Steps is not optional (6fb5386)

v2.0.1

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Bug Fixes

• Update response_format field names to snake_case. (26af549)

v2.0.0

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⚠ BREAKING CHANGES - Interactions Only

Note: The breaking changes are only in interactions. GenerateContent usage in unaffected.
Refer to https://ai.google.dev/gemini-api/docs/interactions-breaking-changes-may-2026 for details

• Add steps for interactions (c0814c4)
• Deprecate legacy response_format and publish new polymorphic field. (68a6809)
• Rename SSE events to interaction.created and interaction.completed (d1b836b)

Bug Fixes

• timeout not functioning (850f680)

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