5.1.2 Release-Candidate 1

This is the first (and hopefully only) Release Candidate for 5.1.2, bringing some bug fixes and updated translator credits.

Changelog

Updated Translator Credits
- Removed some blank lines from translator credit signs
- Removed hacky 5th line on some translator credit signs
- Translator credits are now ordered by number of contributions if there are multiple contributors for a language
Simplified blue leather boots check in 1.20.5 snapshots (using 1.20.5-pre1 features)
Player heads now load based on the player UUID when using 1.20.5, so they will continue working even after username changes

Fixed datapack not loading due to worldgen changes in 24w13a and later (#219)
Fixed new points race goal announcing an arbitrary team as winner (#223)
Fixed Powdered snow not being replaced by a save block properly (#221)
Fixed Team selection buttons don't work in 1.20.5 snapshots (#220)
Fixed player heads not loading in 1.20.5 snapshot
Fixed some /trigger commands not getting deactivated when joining the skybox or joining the game late as a spectator
Fixed Item Frame using an outdated texture in HUD card (#222)