Bump @google/genai from 1.47.0 to 1.48.0 (#438)

Bumps [@google/genai](https://github.com/googleapis/js-genai) from 1.47.0 to 1.48.0.
- [Release notes](https://github.com/googleapis/js-genai/releases)
- [Changelog](https://github.com/googleapis/js-genai/blob/main/CHANGELOG.md)
- [Commits](googleapis/js-genai@v1.47.0...v1.48.0)

---
updated-dependencies:
- dependency-name: "@google/genai"
  dependency-version: 1.48.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -30,7 +30,7 @@
     "@fortawesome/free-regular-svg-icons": "^7.2.0",
     "@fortawesome/free-solid-svg-icons": "^7.2.0",
     "@fortawesome/react-fontawesome": "^3.3.0",
-    "@google/genai": "^1.47.0",
+    "@google/genai": "^1.48.0",
     "@mdx-js/react": "^3.1.1",
     "prism-react-renderer": "^2.4.1",
     "react": "^19.2.4",