Update virtual-network-ipv4-ipv6-dual-stack-standard-load-balancer-cli.md

Updating to ULA IPv6 address space in examples

Author: ramandhillon84

articles/virtual-network/virtual-network-ipv4-ipv6-dual-stack-standard-load-balancer-cli.md

@@ -259,15 +259,15 @@ az network vnet create \
 --name dsVNET \
 --resource-group DsResourceGroup01 \
 --location eastus  \
---address-prefixes "10.0.0.0/16" "2001:db8:deca::/48"
+--address-prefixes "10.0.0.0/16" "fd00:db8:deca::/48"
 
 # Create a single dual stack subnet
 
 az network vnet subnet create \
 --name dsSubNET \
 --resource-group DsResourceGroup01 \
 --vnet-name dsVNET \
---address-prefixes "10.0.0.0/24" "2001:db8:deca:deed::/64" \
+--address-prefixes "10.0.0.0/24" "fd00:db8:deca:deed::/64" \
 --network-security-group dsNSG1
 ```