chore(deps): bump @ai-sdk/xai from 2.0.51 to 3.0.67

Bumps [@ai-sdk/xai](https://github.com/vercel/ai) from 2.0.51 to 3.0.67.
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/compare/@ai-sdk/[email protected]...@ai-sdk/[email protected])

---
updated-dependencies:
- dependency-name: "@ai-sdk/xai"
  dependency-version: 3.0.67
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

packages/altimate-code/package.json

@@ -67,7 +67,7 @@
     "@ai-sdk/provider-utils": "3.0.21",
     "@ai-sdk/togetherai": "1.0.34",
     "@ai-sdk/vercel": "1.0.33",
-    "@ai-sdk/xai": "2.0.51",
+    "@ai-sdk/xai": "3.0.67",
     "@altimateai/altimate-code-plugin": "workspace:*",
     "@altimateai/altimate-code-script": "workspace:*",
     "@altimateai/altimate-code-sdk": "workspace:*",