New function: Update-FabricCapacity

[NowinskiK]

Function proposal

This function supports updates to Fabric (Azure) Capacity and allows scaling up & down.
Documentation: Fabric Capacities - Create Or Update
Function Name: Update-FabricCapacity
Folder: Capacity

Proposed properties

Name		Required	Type	Description
capacityName		True	stringminLength: 3 maxLength: 63 pattern: ^[a-z][a-z0-9]*$	The name of the Microsoft Fabric capacity. It must be a minimum of 3 characters, and a maximum of 63.
resourceGroupName		True	string minLength: 1 maxLength: 90	The name of the resource group. The name is case insensitive.
subscriptionId		True	Guid	The ID of the target subscription.
SkuName		True	String	The name of requested Sku

Special considerations or limitations

The function assumes that the provided Sku is a Fabric Sku.