Ensure Synapse Workspace is not accessible to public via Azure Synapse Firewall Rule

Disabling unnecessary ports has been a staple in security administration for some time; disallowing access to specific ports will increase security by preventing unintended access.

Set the values of 'start_ip_address' and 'end_ip_address' to the values specified by the organization to ensure Azure Synapse Firewall can only be accessed by authorized clients.