chore(deps): update dependency google-genai to ~=2.27.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending	OpenSSF
google-genai	project.optional-dependencies	minor	~=2.23.0 → ~=2.27.0	2.28.0

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Release Notes

googleapis/python-genai (google-genai)

v2.27.0

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Features

• Support continuation_token in GenerateContent (3931b29)

Documentation

• Update docs (c6212e9)

v2.26.0

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Features

• Add gcs_metrics_uri for exporting tuning job metrics. (b6535e8)
• Add Gemini 3.8 Flash TTS and Gemini 3.8 Flash Lite TTS models to SDKs (0cad6ca)
• genai-sdk: Add environments dedicated module and from_environment support (7672ff6)
• Include labels for LiveClientSetup (4742c9a)
• Support labels for Gemini API GenerateContent (81ffa26)

Bug Fixes

• Build a model before reading its field annotations when pruning extra fields (7845acd)
• cli: Include auto-assigned flag shorthands in --usage schema (2579b94)
• Ensure Vertex AI interactions client uses default timeout=None instead of 5s. (feef230)
• Reap aiohttp sessions and auth locks belonging to closed event loops (6d01288)
• Use CreateAgentInteraction for Trigger.interaction and TriggerCreateParams.interaction (046ccfb)

Documentation

• Clarify Voice expire_time and store TTL behavior in GAOS SDK (94b371d)
• overlays: Describe environment and path on GetEnvironmentFiles and pin environment ID in environments get/delete examples (f15d148)
• Regenerate docs for 1.2.0 (938dd73)

v2.25.0

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Features

• Add sample_audio to Voice in GAOS SDK (a011633)
• Add Voices API resource to GAOS SDK (c45b94e)
• Expose SpeechMetadata, VoiceConfig.voice, and SpeechAnnotation in public GenAI SDKs (a6d3243)
• Support field.value_field syntax for map add_union_value annotations. (ad00721)
• Update discovery doc (fa91716)
• Wire voice into sdk (e1d68b4)

Bug Fixes

• Sanitize path parameter descriptions in GAOS OpenAPI generation (25b0094)

v2.24.0

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Features

• Add credential APIs resource to gaos. (d301255)
• Add RetrievalCallStep and RetrievalResultStep to interactions schema and SDKs. (9052efd)
• Implement environments files upload and download across Python and TypeScript SDKs (fc0834d)
• Wire credential APIs resource to sdk. (bf0d457)

Bug Fixes

• Do not run functions once the automatic function calling budget is spent (2580638)

Documentation

• Update GenAI SDK README files to use gemini-flash-latest (1feb999)
• Update Python Gen AI SDK README for Gemini 3.8 Flash (b88fded)

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