fix(deps): update dependency com.openai:openai-java to v4.26.0 (#619)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [com.openai:openai-java](https://platform.openai.com/docs)
([source](https://redirect.github.com/openai/openai-java)) | `4.24.1` →
`4.26.0` |
![age](https://developer.mend.io/api/mc/badges/age/maven/com.openai:openai-java/4.26.0?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/maven/com.openai:openai-java/4.24.1/4.26.0?slim=true)
|

---

### Release Notes

<details>
<summary>openai/openai-java (com.openai:openai-java)</summary>

###
[`v4.26.0`](https://redirect.github.com/openai/openai-java/blob/HEAD/CHANGELOG.md#4260-2026-03-05)

Full Changelog:
[v4.25.0...v4.26.0](https://redirect.github.com/openai/openai-java/compare/v4.25.0...v4.26.0)

##### Features

- **api:** The GA ComputerTool now uses the CompuerTool class. The
'computer\_use\_preview' tool is moved to ComputerUsePreview
([a8d8de8](https://redirect.github.com/openai/openai-java/commit/a8d8de803d9df873eb13ecd912cdea096532a062))

##### Bug Fixes

- **api:** update structured response tool overloads
([5562fc1](https://redirect.github.com/openai/openai-java/commit/5562fc13a259d567aa03c59f36e74825effa53da))

###
[`v4.25.0`](https://redirect.github.com/openai/openai-java/blob/HEAD/CHANGELOG.md#4250-2026-03-05)

Full Changelog:
[v4.24.1...v4.25.0](https://redirect.github.com/openai/openai-java/compare/v4.24.1...v4.25.0)

##### Features

- **api:** gpt-5.4, tool search tool, and new computer tool
([18c8870](https://redirect.github.com/openai/openai-java/commit/18c8870b9f16b4fb2d87eb10d73797da3ecc6fdf))

##### Bug Fixes

- **api:** allow unknown video seconds in responses
([82d67cb](https://redirect.github.com/openai/openai-java/commit/82d67cb396925dbe221cd9713afc414c0b9406ad))

##### Chores

- **internal:** codegen related update
([42a435d](https://redirect.github.com/openai/openai-java/commit/42a435d6e939b6ecf1dc5866d5fce60f50b8b08b))

</details>

---

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gradle/libs.versions.toml

@@ -26,7 +26,7 @@ lincheck = "3.4"
 mockk = "1.14.9"
 netty = "4.2.10.Final"
 nexusPublish = "2.0.0"
-openai = "4.24.1"
+openai = "4.26.0"
 openrewrite = "7.27.0"
 slf4j = "2.0.17"
 spring = "6.2.16"