Update New-AzSubscriptionAlias.md (#14842)

Edit example #1 and add example #2 explaining the value options for the Workload parameter

Author: martin77s

src/Subscription/Subscription/help/New-AzSubscriptionAlias.md

@@ -25,10 +25,18 @@ The **New-AzSubscriptionAlias** cmdlet creates new alias and subscription
 
 ### Example 1
 ```powershell
-PS C:\> New-AzSubscriptionAlias -AliasName "NewAliasName" -SubscriptionName "SubscriptionName" -BillingScope "BillingScope" -Workload "WorkloadType"
+PS C:\> New-AzSubscriptionAlias -AliasName "NewAlias1" -SubscriptionName "Subscription1" -BillingScope $BillingScope -Workload Production
 ```
 
-Creates new alias and subscription
+Creates new alias and EA subscription
+
+### Example 2
+```powershell
+PS C:\> New-AzSubscriptionAlias -AliasName "NewAlias2" -SubscriptionName "Subscription2" -BillingScope $BillingScope -Workload DevTest
+```
+
+Creates new alias and Dev/Test EA subscription
+
 
 ## PARAMETERS