sync cooldown update (cloudflare#23836)

Author: aninibread

src/content/docs/autorag/configuration/indexing.mdx

@@ -17,7 +17,7 @@ You can monitor the status and history of all indexing activity in the Jobs tab,
 
 You can control indexing behavior through the following actions on the dashboard:
 
-- **Sync Index**: Force AutoRAG to scan your data source for new or modified files and initiate an indexing job to update the associated Vectorize index. A new indexing job can be initiated every 3 minutes.
+- **Sync Index**: Force AutoRAG to scan your data source for new or modified files and initiate an indexing job to update the associated Vectorize index. A new indexing job can be initiated every 30 seconds.
 - **Pause Indexing**: Temporarily stop all scheduled indexing checks and reprocessing. Useful for debugging or freezing your knowledge base.
 
 ## Performance