Maintenance: Bump Forge and NeoForge versions

What does this MR do and why?

Bumps following Forge versions:

• 1.21.5: New 55.0.14
• 1.21.4: 54.0.16 -> 54.1.3
• 1.21.3: 53.0.37 -> 53.1.1
• 1.21.1: 52.0.40 -> 52.1.1
• 1.20.6: 50.1.32 -> 50.2.0
• 1.20.4: 49.1.23 -> 49.2.0
• 1.20.1: 47.3.22 -> 47.4.0
• 1.19.4: 45.0.14 -> 45.4.0
• 1.19.2: 43.4.12 -> 43.5.0
• 1.18.2: 40.3.0 -> 40.3.10

Bump following NeoForge versions:

• 1.21.5: New 21.5.66-beta
• 1.21.4: 21.4.123 -> 21.4.136
• 1.21.3: 21.3.66 -> 21.3.76
• 1.21.2: New 21.2.1-beta
• 1.21.1: 21.1.137 -> 21.1.172
• 1.21.0: New 21.0.167
• 1.20.6: 20.6.125 -> 20.6.135
• 1.20.5: New 20.5.21-beta
• 1.20.4: 20.4.239 -> 20.4.248
• 1.20.3: New 20.3.8-beta
• 1.20.2: Corrected to 20.2.93

How to set up and validate locally

Config changes, no changes to program code. Tested on dev instance.

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?