chore(ui-deps): bump @radix-ui/react-tooltip in /llama_stack/ui

Bumps [@radix-ui/react-tooltip](https://github.com/radix-ui/primitives) from 1.2.6 to 1.2.8.
- [Changelog](https://github.com/radix-ui/primitives/blob/main/release-process.md)
- [Commits](https://github.com/radix-ui/primitives/commits)

---
updated-dependencies:
- dependency-name: "@radix-ui/react-tooltip"
  dependency-version: 1.2.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

llama_stack/ui/package.json

@@ -19,7 +19,7 @@
     "@radix-ui/react-select": "^2.2.5",
     "@radix-ui/react-separator": "^1.1.7",
     "@radix-ui/react-slot": "^1.2.3",
-    "@radix-ui/react-tooltip": "^1.2.6",
+    "@radix-ui/react-tooltip": "^1.2.8",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "framer-motion": "^12.23.12",