Modify Neoforge Regex for Beta Tag

What does this MR do and why?

• Modify neoforge installer regex logic to accept -beta after the version for new Neoforge versioning scheme.

How to set up and validate locally

• Create a 21.7.23 neoforge server using the builder

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• Have you checked this doesn't interfere/conflict/duplicate someone elses work?
• Have you fully tested your changes?
• Have you resolved any lint issues?
• Have you assigned a reviewer?
• Have you applied correct labels?