chore(deps): update dependency openai to v2.26.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
openai	==2.24.0 → ==2.26.0

---

Release Notes

openai/openai-python (openai)

v2.26.0

Compare Source

Full Changelog: v2.25.0...v2.26.0

Features

• api: The GA ComputerTool now uses the CompuerTool class. The 'computer_use_preview' tool is moved to ComputerUsePreview (78f5b3c)

v2.25.0

Compare Source

Full Changelog: v2.24.0...v2.25.0

Features

• api: gpt-5.4, tool search tool, and new computer tool (6b2043f)
• api: remove prompt_cache_key param from responses, phase field from message types (44fb382)

Bug Fixes

• api: internal schema fixes (0c0f970)
• api: manual updates (9fc323f)
• api: readd phase (1b27b5a)

Chores

• internal: codegen related update (bdb837d)
• internal: codegen related update (b1de941)
• internal: reduce warnings (7cdbd06)

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.