fix(deps): update module github.com/openai/openai-go/v2 to v2.7.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/openai/openai-go/v2	v2.1.1 → v2.7.1

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Release Notes

openai/openai-go (github.com/openai/openai-go/v2)

v2.7.1

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Full Changelog: v2.7.1...v3.0.0

⚠ BREAKING CHANGES

• api: ResponseFunctionToolCallOutputItem.output and ResponseCustomToolCallOutput.output now return string | Array<ResponseInputText | ResponseInputImage | ResponseInputFile> instead of string only. This may break existing callsites that assume output is always a string.

Features

• api: Support images and files for function call outputs in responses, BatchUsage (21901ef)

v2.7.0

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Full Changelog: v2.7.0...v2.7.1

Bug Fixes

• bugfix for setting JSON keys with special characters (f9ae028)

v2.6.1

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Full Changelog: v2.6.1...v2.7.0

Features

• api: gpt-5-codex (b0eac3e)

v2.6.0

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Full Changelog: v2.6.0...v2.6.1

Bug Fixes

• api: fix mcp tool name (6de601a)
• use slices.Concat instead of sometimes modifying r.Options (7312ee7)

Chores

• api: openapi updates for conversations (4a7d204)
• bump minimum go version to 1.22 (8396ab5)
• do not install brew dependencies in ./scripts/bootstrap by default (d519b81)
• update more docs for 1.22 (1b0514d)

v2.5.0

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Full Changelog: v2.5.0...v2.6.0

Features

• api: add reasoning_text (6ebf50d)

v2.4.3

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Full Changelog: v2.4.3...v2.5.0

Features

• api: type updates for conversations, reasoning_effort and results for evals (3e68a60)

v2.4.2

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Full Changelog: v2.4.2...v2.4.3

Chores

• api: docs and spec refactoring (e67af66)

v2.4.1

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Full Changelog: v2.4.1...v2.4.2

Chores

• api: Minor docs and type updates for realtime (d92ea48)

v2.4.0

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Full Changelog: v2.4.0...v2.4.1

Chores

• api: fix realtime GA types (012b83e)

v2.3.1

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Full Changelog: v2.3.1...v2.4.0

Features

• api: ship the RealtimeGA API shape (2b6c6db)

v2.3.0

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Full Changelog: v2.3.0...v2.3.1

Bug Fixes

• internal: unmarshal correctly when there are multiple discriminators (98596b2)

v2.2.2

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Full Changelog: v2.2.2...v2.3.0

Features

• api: Add gpt-realtime models (3cf6a34)

v2.2.1

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Full Changelog: v2.2.1...v2.2.2

Bug Fixes

• update url to refresh pkg.go.dev (edf94ce)
• use release please annotations on more places (2ff82f9)

v2.2.0

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Full Changelog: v2.2.0...v2.2.1

Chores

• api: manual updates for ResponseInputAudio (8c0ebe5)

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