Update dependency.redprotect.version to v8.1.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
io.github.fabiozumbi12.RedProtect:RedProtect-Spigot	8.1.1 -> 8.1.2
io.github.fabiozumbi12.RedProtect:RedProtect-Core	8.1.1 -> 8.1.2

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