Bump @fluentui/react-icons from 2.0.221 to 2.0.249 in /app/frontend (#1848)

Bumps [@fluentui/react-icons](https://github.com/microsoft/fluentui-system-icons) from 2.0.221 to 2.0.249.
- [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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Pamela Fox <[email protected]>

Author: dependabot[bot]

app/frontend/package-lock.json

@@ -16,7 +16,7 @@
     "@azure/msal-browser": "^3.17.0",
     "@fluentui/react": "^8.112.5",
     "@fluentui/react-components": "^9.37.3",
-    "@fluentui/react-icons": "^2.0.221",
+    "@fluentui/react-icons": "^2.0.249",
     "@react-spring/web": "^9.7.3",
     "marked": "^13.0.0",
     "dompurify": "^3.0.6",