fix explorer prod url

Author: BertrandD

front/.env.production

@@ -2,5 +2,5 @@ VITE_SERVER_BASE_URL=https://wallet.testnet.hyli.org
 VITE_WS_URL=wss://wallet.testnet.hyli.org/ws
 VITE_NODE_BASE_URL=https://node.testnet.hyli.org
 VITE_INDEXER_BASE_URL=https://indexer.testnet.hyli.org
-VITE_TX_EXPLORER_URL=https://hyleou.hyli.org
+VITE_TX_EXPLORER_URL=https://explorer.hyli.org
 VITE_FAUCET_URL=https://faucet.testnet.hyli.org