build: bump @fluentui/react-icons in /ResearchAssistant/App/frontend

Bumps [@fluentui/react-icons](https://github.com/microsoft/fluentui-system-icons) from 2.0.232 to 2.0.270.
- [Changelog](https://github.com/microsoft/fluentui-system-icons/blob/main/fluentui-android-system-icons-release.yml)
- [Commits](https://github.com/microsoft/fluentui-system-icons/commits)

---
updated-dependencies:
- dependency-name: "@fluentui/react-icons"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ResearchAssistant/App/frontend/package-lock.json

@@ -12,7 +12,7 @@
     "@fluentui/react": "^8.105.3",
     "@fluentui/react-components": "^9.46.0",
     "@fluentui/react-hooks": "^8.6.29",
-    "@fluentui/react-icons": "^2.0.227",
+    "@fluentui/react-icons": "^2.0.270",
     "@fluentui/react-icons-mdl2": "^1.3.57",
     "@types/node": "^20.11.16",
     "@types/react-modal": "^3.16.3",