Update datasync.sh

Updated VM to Standard_E4as_v5

Author: ajkeane-aws

src/bash/datasync.sh

@@ -150,7 +150,7 @@ function create_azure_vm(){
 
 function create_azure_vm_existing_vnet(){
     echo -e "\033[0;33mCreating Azure Virtual Machine for DataSync with an existing vnet\033[0;33m"
-    az vm create -g "$resource_group" -l "$location" --name "$vm_name" --size Standard_E4as_v4 --os-type linux --attach-os-disk "$disk_name" --subnet "$(az network vnet subnet show --resource-group $vnet_rg --vnet-name $vnet_name --name $subnet_name -o tsv --query id)" --public-ip-address "" --only-show-errors || { echo "An error occured while creating the Azure VM"; exit 1; }
+    az vm create -g "$resource_group" -l "$location" --name "$vm_name" --size Standard_E4as_v5 --os-type linux --attach-os-disk "$disk_name" --subnet "$(az network vnet subnet show --resource-group $vnet_rg --vnet-name $vnet_name --name $subnet_name -o tsv --query id)" --public-ip-address "" --only-show-errors || { echo "An error occured while creating the Azure VM"; exit 1; }
 }
 
 function cleanup(){