Update Set-AzureRmSqlDatabase.md

Update link on param RequestedServiceObjectiveName to new one https://docs.microsoft.com/en-us/azure/sql-database/sql-database-dtu-resource-limits-single-databases

Author: FonsecaSergio

src/ResourceManager/Sql/Commands.Sql/help/Set-AzureRmSqlDatabase.md

@@ -282,7 +282,7 @@ Accept wildcard characters: False
 
 ### -RequestedServiceObjectiveName
 Specifies the name of the service objective to assign to the database. For information about
-service objectives, see [Azure SQL Database Service Tiers and Performance Levels](https://msdn.microsoft.com/en-us/library/azure/dn741336.aspx)
+service objectives, see [Azure SQL Database Service Tiers and Performance Levels](https://docs.microsoft.com/en-us/azure/sql-database/sql-database-dtu-resource-limits-single-databases)
 in the Microsoft Developer Network Library.
 
 ```yaml