ArcBox 3.0 - Enable Windows Firewall rule for SQL Server

[janegilring]

This pull request includes several changes to the azure_jumpstart_arcbox/artifacts/ArcServersLogonScript.ps1 file, focusing on improving the configuration and security setup for SQL Server. The most important changes include the removal of an environment variable setting and the addition of a firewall rule for SQL Server.

Configuration and security improvements:

• Removed the setting of the AZURE_CONFIG_DIR environment variable. (azure_jumpstart_arcbox/artifacts/ArcServersLogonScript.ps1)
• Added a command to enable a Windows Firewall rule for SQL Server, allowing inbound TCP traffic on port 1433. (azure_jumpstart_arcbox/artifacts/ArcServersLogonScript.ps1)

[microsoft-github-policy-service[bot]]

Hi janegilring! Thank you for opening this Pull Request. Someone will review it soon. Thank you for committing to making the Arc Jumpstart better.