Update availability.md

Service is now GA https://azure.microsoft.com/en-us/updates/generally-available-azure-static-web-apps-support-for-private-endpoints/#:~:text=Published%20date%3A%20April%2013%2C%202022,space%20over%20a%20private%20link.

Author: carlsyner

articles/private-link/availability.md

@@ -119,7 +119,7 @@ The following tables list the Private Link services and the regions where they'r
 |Azure App Service | All public regions<br/> China North 2 & East 2    | Supported with Basic, Standard, Premium v2, Premium v3, Isolated v2 App Service Plans and Function Apps Premium plan  | GA   <br/> [Learn how to create a private endpoint for Azure App Service.](../app-service/networking/private-endpoint.md)   |
 |Azure Search | All public regions <br/> All Government regions | Supported with service in Private Mode | GA   <br/> [Learn how to create a private endpoint for Azure Search.](../search/service-create-private-endpoint.md)    |
 |Azure Relay | All public regions      |  | GA   <br/> [Learn how to create a private endpoint for Azure Relay.](../azure-relay/private-link-service.md)  |
-|Azure Static Web Apps | All public regions      |  | Preview <br/> [Configure private endpoint in Azure Static Web Apps](../static-web-apps/private-endpoint.md)  |
+|Azure Static Web Apps | All public regions      |  | GA <br/> [Configure private endpoint in Azure Static Web Apps](../static-web-apps/private-endpoint.md)  |
 
 ### Private Link service with a standard load balancer