build(deps): bump @xyflow/react from 12.8.6 to 12.9.0 in /website (#4541)

Bumps [@xyflow/react](https://github.com/xyflow/xyflow/tree/HEAD/packages/react) from 12.8.6 to 12.9.0.
- [Release notes](https://github.com/xyflow/xyflow/releases)
- [Changelog](https://github.com/xyflow/xyflow/blob/main/packages/react/CHANGELOG.md)
- [Commits](https://github.com/xyflow/xyflow/commits/@xyflow/react@12.9.0/packages/react)

---
updated-dependencies:
- dependency-name: "@xyflow/react"
  dependency-version: 12.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Fleny <Fleny113@outlook.com>

website/package.json

@@ -24,7 +24,7 @@
     "@docusaurus/theme-common": "^3.9.2",
     "@easyops-cn/docusaurus-search-local": "^0.52.1",
     "@mdx-js/react": "^3.1.1",
-    "@xyflow/react": "^12.8.6",
+    "@xyflow/react": "^12.9.0",
     "prism-react-renderer": "^2.4.1",
     "react": "^19.2.0",
     "react-dom": "^19.2.0"