chore: update banner message

Author: pjenviri

.env

@@ -1,7 +1,7 @@
 NEXT_PUBLIC_APP_NAME=Axelarscan
 NEXT_PUBLIC_APP_URL=https://axelarscan.io
 NEXT_PUBLIC_PROJECT_NAME=Axelar Network
-NEXT_PUBLIC_STATUS_MESSAGE=Axelarscan is undergoing an upgrade. Data may not be in sync during the process.
+NEXT_PUBLIC_STATUS_MESSAGE=Axelar's General Message Passing (GMP) is now available between Cosmos and EVM chains. Learn more <a href="https://axelar.network/blog/axelar-general-message-passing-now-connects-the-cosmos-and-all-evm-chains" target="_blank">here</a>
 
 NEXT_PUBLIC_ENVIRONMENT=mainnet