Update platformVersion to v4.3.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
net.kyori:adventure-platform-bungeecord	4.3.0 -> 4.3.1
net.kyori:adventure-platform-bukkit	4.3.0 -> 4.3.1

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Release Notes

KyoriPowered/adventure-platform (net.kyori:adventure-platform-bungeecord)

v4.3.1

This is a bugfix release to add support for Minecraft 1.20.2 on the Bukkit platform.

What's Changed

• Fix CraftBukkitFacet on 1.20.2 by @​56738 in https://github.com/KyoriPowered/adventure-platform/pull/140

New Contributors

• @​56738 made their first contribution in https://github.com/KyoriPowered/adventure-platform/pull/140

Full Changelog: PaperMC/adventure-platform@v4.3.0...v4.3.1

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