Adds 1.21.5 Paper Support and Gradle update along with experimental minimessage translator

[OneLiteFeather]

Proposed changes

Adds newest Gradle 8.14.1 and official Paper 1.21.5 support,
Refactor translation handling to use MiniMessageTranslationStore

Types of changes

What types of changes does your code introduce to this project?
Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of
them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before
merging your code.

• I have read the CONTRIBUTING.md
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

We need help fixing a bug about chosing the language for the new minimessage translator we tried to implement here, @TheMeinerLP and I don't know how to fix that yet or if it is already fixed.