fix(code): set explicit gcTime on QueryClient to match staleTime

Without an explicit gcTime, inactive queries using staleTime: Infinity
stay "fresh" forever and never get garbage collected. Setting gcTime
to match the default staleTime (5 min) ensures inactive query data is
cleaned up.

Author: Twixes

apps/code/src/renderer/utils/queryClient.ts

@@ -4,6 +4,7 @@ export const queryClient = new QueryClient({
   defaultOptions: {
     queries: {
       staleTime: 1000 * 60 * 5,
+      gcTime: 1000 * 60 * 5,
       refetchOnWindowFocus: true,
     },
   },