Update faucet.mdx

Adding Ethereum Sepolia faucet that's well funded and resistant to bots

Author: Maxservais

src/content/docs/en/user-guide/faucet.mdx

@@ -21,6 +21,7 @@ Here are a few Sepolia faucet apps:
 - [https://faucet.quicknode.com/drip](https://faucet.quicknode.com/drip)
 - [https://faucet.chainstack.com](https://faucet.chainstack.com)
 - [https://infura.io/faucet/sepolia](https://infura.io/faucet/sepolia)
+- [https://www.ethereum-ecosystem.com/faucets/ethereum-sepolia](https://www.ethereum-ecosystem.com/faucets/ethereum-sepolia)
 
 Once you receive ETH on Sepolia, you should see it in your wallet on the _Sepolia Network_. It may take a few seconds for them to appear, but you can check the status by looking for a transaction to your address on a [Sepolia Block Explorer](https://sepolia.etherscan.io/).