fix: fix ITS testnet addr (#1341)

Author: benjamin852

src/content/docs/dev/send-tokens/glossary.mdx

@@ -6,7 +6,7 @@ An Interchain Token is an ERC-20 token that can be transferred between blockchai
 
 ## Interchain Token Service
 
-The Interchain Token Service is a [smart contract](https://github.com/axelarnetwork/interchain-token-service/blob/main/contracts/InterchainTokenService.sol) deployed by Axelar that manages the creation and management of Interchain Tokens and Token Managers. Its testnet address is [`0xF786e21509A9D50a9aFD033B5940A2b7D872C208`](https://goerli.etherscan.io/address/0xF786e21509A9D50a9aFD033B5940A2b7D872C208), and its mainnet address is [`0xB5FB4BE02232B1bBA4dC8f81dc24C26980dE9e3C`](https://etherscan.io/address/0xB5FB4BE02232B1bBA4dC8f81dc24C26980dE9e3C).
+The Interchain Token Service is a [smart contract](https://github.com/axelarnetwork/interchain-token-service/blob/main/contracts/InterchainTokenService.sol) deployed by Axelar that manages the creation and management of Interchain Tokens and Token Managers. Its address on both mainnet and testnet is [`0xB5FB4BE02232B1bBA4dC8f81dc24C26980dE9e3C`](https://etherscan.io/address/0xB5FB4BE02232B1bBA4dC8f81dc24C26980dE9e3C) ([testnet deployment](https://sepolia.etherscan.io/address/0xB5FB4BE02232B1bBA4dC8f81dc24C26980dE9e3C)).
 
 ## Canonical Interchain Token