NRL-1385 update script

Author: jackleary

terraform/account-wide-infrastructure/modules/ec2/scripts/gateway_install.ps1

@@ -10,9 +10,9 @@ catch {
 }
 
 # Replace with your desired values
-$GatewayName = "MyGatewayCluster"
-$GatewayMemberName = "MyGatewayMember"
-$GatewayAdminUser = "[email protected]" # Optional, replace with user's email
+$GatewayName = "AthenaCluster"
+$GatewayMemberName = "AthenaClusterMember"
+$GatewayAdminUser = "[email protected]"l
 
 # 1. Add a new gateway cluster
 Write-Host "Adding a new gateway cluster..."