Update dependency org.bstats:bstats-bukkit to v3.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.bstats:bstats-bukkit (source)	3.0.3 -> 3.1.0

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Release Notes

Bastian/bStats-Metrics (org.bstats:bstats-bukkit)

v3.1.0: Release 3.1.0

Version 3.1.0

What's Changed

• Support for Folia by @​ricsal1 in https://github.com/Bastian/bstats-metrics/pull/126

Full Changelog: https://github.com/Bastian/bstats-metrics/compare/v3.0.3...v3.1.0

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Configuration

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