chore(deps): bump @openrouter/ai-sdk-provider from 1.5.4 to 2.2.3

Bumps [@openrouter/ai-sdk-provider](https://github.com/OpenRouterTeam/ai-sdk-provider) from 1.5.4 to 2.2.3.
- [Release notes](https://github.com/OpenRouterTeam/ai-sdk-provider/releases)
- [Changelog](https://github.com/OpenRouterTeam/ai-sdk-provider/blob/main/CHANGELOG.md)
- [Commits](OpenRouterTeam/ai-sdk-provider@v1.5.4...2.2.3)

---
updated-dependencies:
- dependency-name: "@openrouter/ai-sdk-provider"
  dependency-version: 2.2.3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

packages/opencode/package.json

@@ -83,7 +83,7 @@
     "@opencode-ai/script": "workspace:*",
     "@opencode-ai/sdk": "workspace:*",
     "@opencode-ai/util": "workspace:*",
-    "@openrouter/ai-sdk-provider": "1.5.4",
+    "@openrouter/ai-sdk-provider": "2.2.3",
     "@opentui/core": "0.1.86",
     "@opentui/solid": "0.1.86",
     "@parcel/watcher": "2.5.1",