Bump @fluentui/react-icons from 2.0.176 to 2.0.178 in /branding

Bumps [@fluentui/react-icons](https://github.com/microsoft/fluentui-system-icons) from 2.0.176 to 2.0.178.
- [Release notes](https://github.com/microsoft/fluentui-system-icons/releases)
- [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] <support@github.com>

branding/package.json

@@ -3,6 +3,6 @@
   "name": "wpf-ui",
   "version": "1.1.0",
   "dependencies": {
-    "@fluentui/react-icons": "2.0.176"
+    "@fluentui/react-icons": "2.0.178"
   }
 }