chore(deps): update google-genai requirement from >=1.0.0 to >=2.18.0 in /server/ai-gateway

[dependabot]

Updates the requirements on google-genai to permit the latest version.

Release notes

Sourced from google-genai's releases.

v2.18.0

2.18.0 (2026-08-12)

Features

• Add interaction_status to LiveServerContent (66e224c)
• api: Make the deferred service tier publicly available on Vertex (e1f7c40)
• Enable json schema in FunctionDeclaration parser (62d50d6)
• Make speech_config a structured object. (cc0d42e)
• Support injecting httpx2 client. (012804d), refs #2680

Bug Fixes

• Improve AFC(automatic function calling) in chat including fixing bugs in AFC for generate_content_stream. also log warnings in generate_content, generate_content_stream and their async variants that AFC is meant to be used in chat experience, not directly in models module. (fe6118e)

Performance Improvements

• Build model validators on first use instead of at import (66bfe95), refs #2784
• Lazily import the interactions API to speed up import google.genai (89dcfe5)
• Stop importing the requests HTTP stack at module scope (3a44936)

Changelog

Sourced from google-genai's changelog.

2.18.0 (2026-08-12)

Features

• Add interaction_status to LiveServerContent (66e224c)
• api: Make the deferred service tier publicly available on Vertex (e1f7c40)
• Enable json schema in FunctionDeclaration parser (62d50d6)
• Make speech_config a structured object. (cc0d42e)
• Support injecting httpx2 client. (012804d), refs #2680

Bug Fixes

• Improve AFC(automatic function calling) in chat including fixing bugs in AFC for generate_content_stream. also log warnings in generate_content, generate_content_stream and their async variants that AFC is meant to be used in chat experience, not directly in models module. (fe6118e)

Performance Improvements

• Build model validators on first use instead of at import (66bfe95), refs #2784
• Lazily import the interactions API to speed up import google.genai (89dcfe5)
• Stop importing the requests HTTP stack at module scope (3a44936)

2.17.0 (2026-08-06)

Features

• Add the Gemini Robotics ER 2 Preview model (61d4645)
• Add TOO_MANY_TOOL_CALLS to FinishReason enum. (a8ec86e)
• Add top-level errors array to Interaction resource (iAPI) (c74505b)

Bug Fixes

• Add propertyOrdering auto-population for ResponseSchema and ResponseJsonSchema for Dotnet SDK (3ec2081)

Documentation

• Fix interactions (80d80ff)
• Regenerate docs for 2.16.0 (f03ecfd)
• Update GenerateVideos docstrings and samples (c41ba11)

2.16.0 (2026-07-29)

Features

• Add environment resource (615b6c3)

... (truncated)

Commits

• 3299af6 chore(main): release 2.18.0 (#2830)
• cc0d42e feat: Make speech_config a structured object.
• fe6118e fix: improve AFC(automatic function calling) in chat including fixing bugs in...
• ce444c6 chore: drop unused auth imports from the MCP utils module
• 4272f27 chore: allow httpx2 in GAOS Python SDK
• d485049 test: retry transient errors in the shared integration test clients
• 3a44936 perf: stop importing the requests HTTP stack at module scope
• 89dcfe5 perf: lazily import the interactions API to speed up import google.genai
• 288d2ef No public description
• 012804d feat: Support injecting httpx2 client.
• Additional commits viewable in compare view

[Aparencia]

@dependabot rebase

[dependabot]

Superseded by #45.