docs: update broken Mantle link (#2154)

Author: Bilogweb3

services/how-to/get-testnet-tokens.md

@@ -25,7 +25,7 @@ Use [testnet endpoints](../get-started/endpoints.md) during development and init
 | [Celo Alfajores](https://docs.celo.org/getting-started/alfajores-testnet)| [Celo Alfajores faucet](https://faucet.celo.org/alfajores)| [Celo bridge](https://docs.celo.org/protocol/bridge#token-bridges)|
 | [Ethereum Sepolia](https://docs.blast.io/building/bridges/testnet)| [Ethereum Sepolia faucet](https://faucet.quicknode.com/ethereum/sepolia)| [Sepolia bridge](https://docs.blast.io/building/bridges/testnet)|
 | [Linea Sepolia](https://support.linea.build/getting-started/how-to-get-linea-goerli-testnet-eth)| [Linea Sepolia faucet](https://www.infura.io/faucet/linea) or [Covalent faucet](https://goldrush.dev/faucet/)| [Linea bridge](https://bridge.linea.build)|
-| [Mantle Sepolia](https://docs.mantle.xyz/network/for-devs/developing-on-mantle#connecting-to-mantle-testnet)| [Mantle Sepolia faucet](https://faucet.sepolia.mantle.xyz) |[Mantle bridge](https://bridge.sepolia.mantle.xyz)| 
+| [Mantle Sepolia](https://docs.mantle.xyz/network/for-uers/how-to-guides/connecting-wallet-to-mantle-network)| [Mantle Sepolia faucet](https://faucet.sepolia.mantle.xyz) |[Mantle bridge](https://bridge.sepolia.mantle.xyz)| 
 | [Optimism Sepolia](https://docs.optimism.io/builders/tools/build/faucets)| [Optimism Sepolia faucet](https://faucet.quicknode.com/optimism/sepolia)| [Optimism bridge](https://app.optimism.io/bridge)| 
 | [Palm](https://docs.palm.io/get-started/connect/testnet)| [PALM token](https://docs.palm.io/get-started/tokens)| [Token bridge](https://app.palm.io/bridge)|
 | [Polygon Amoy](https://docs.polygon.technology/tools/wallets/metamask/add-polygon-network/)| [Polygon Amoy faucet](https://faucet.polygon.technology)| [Polygon bridge](https://portal.polygon.technology/bridge)|