chore(deps): bump @google/genai from 1.51.0 to 2.8.0

Bumps [@google/genai](https://github.com/googleapis/js-genai) from 1.51.0 to 2.8.0.
- [Release notes](https://github.com/googleapis/js-genai/releases)
- [Changelog](https://github.com/googleapis/js-genai/blob/main/CHANGELOG.md)
- [Commits](googleapis/js-genai@v1.51.0...v2.8.0)

---
updated-dependencies:
- dependency-name: "@google/genai"
  dependency-version: 2.8.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -82,7 +82,7 @@
   "dependencies": {
     "@anthropic-ai/sdk": "^0.100.1",
     "@dagrejs/dagre": "^3.0.0",
-    "@google/genai": "^1.50.1",
+    "@google/genai": "^2.8.0",
     "@modelcontextprotocol/sdk": "^1.27.1",
     "@monaco-editor/react": "^4.7.0",
     "@huggingface/transformers": "^4.2.0",