fix(nextjs): register the unifiOs category translation key

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

apps/nextjs/src/components/integration/integration-grid-shared.ts

@@ -36,6 +36,7 @@ export const categoryTranslationKeys: Record<string, string> = {
   documents: "integration.category.documents",
   mediaLibrary: "integration.category.mediaLibrary",
   uptimeMonitoring: "integration.category.uptimeMonitoring",
+  unifiOs: "integration.category.unifiOs",
 };
 
 export interface IntegrationGridItem {