chore(package): update dependency openai to v2.9.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
openai	==2.8.1 -> ==2.9.0

---

Release Notes

openai/openai-python (openai)

v2.9.0

Compare Source

Full Changelog: v2.8.1...v2.9.0

Features

• api: gpt-5.1-codex-max and responses/compact (22f646e)

Bug Fixes

• client: avoid mutating user-provided response config object (#​2700) (e040d22)
• ensure streams are always closed (0b1a27f)
• streaming: correct indentation (575bbac)

Chores

• deps: mypy 1.18.1 has a regression, pin to 1.17 (22cd586)
• docs: use environment variables for authentication in code snippets (c2a3cd5)
• internal: codegen related update (307a066)
• update lockfile (b4109c5)

---

Configuration

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

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, 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.

[mergify]

Merge Queue Status

✅ The pull request has been merged

This pull request spent 39 seconds in the queue, with no time running CI.
The checks were run in-place.

Required conditions to merge

[mergify]

🧪 CI Insights

Here's what we observed from your CI run for 3e7b7a8.

🟢 All jobs passed!

But CI Insights is watching 👀

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (751549d) to head (3e7b7a8).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##              main       #81   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           12        12           
  Lines          863       863           
=========================================
  Hits           863       863           

Flag	Coverage Δ
unit-tests	100.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.