chore: decrease DEFAULT_NANGO_FETCH_LIMIT (#3669)

Author: mbani01

services/libs/nango/src/client.ts

@@ -36,7 +36,7 @@ export type {
 
 let backendClient: BackendNango | undefined = undefined
 
-const DEFAULT_NANGO_FETCH_LIMIT = 100
+const DEFAULT_NANGO_FETCH_LIMIT = 50
 
 let config: INangoClientConfig | undefined | null = undefined
 export const NANGO_CLOUD_CONFIG = () => {