Update Sepolia snapshot link

Author: kchangn

src/content/docs/en/developers/index.mdx

@@ -87,7 +87,7 @@ Use our [Dune dashboard](https://docs.scroll.io/en/developers/developer-ecosyste
 
 Mainnet : https://snapshot.scroll.io/mpt/latest.tar
 
-Sepolia : https://scroll-sepolia-l2geth-snapshots.s3.us-west-2.amazonaws.com/mpt/latest.tar
+Sepolia : https://snapshot.scroll.io/sepolia/mpt/latest.tar
 
 **Scroll snapshot size is too large, do you have pruned snapshot?**