build(deps-dev): Bump @ai-sdk/provider-utils from 3.0.7 to 4.0.16

Bumps [@ai-sdk/provider-utils](https://github.com/vercel/ai) from 3.0.7 to 4.0.16.
- [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/provider-utils@3.0.7...@ai-sdk/provider-utils@4.0.16)

---
updated-dependencies:
- dependency-name: "@ai-sdk/provider-utils"
  dependency-version: 4.0.16
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/ai-sdk-provider/package.json

@@ -5,7 +5,7 @@
   },
   "devDependencies": {
     "@ai-sdk/provider": "2.0.0",
-    "@ai-sdk/provider-utils": "3.0.7",
+    "@ai-sdk/provider-utils": "4.0.16",
     "@biomejs/biome": "2.0.6",
     "rimraf": "6.0.1"
   },