Bump org.bstats:bstats-bukkit from 3.1.0 to 3.2.1 (#367)

Bumps [org.bstats:bstats-bukkit](https://github.com/Bastian/bStats-Metrics) from 3.1.0 to 3.2.1.
- [Release notes](https://github.com/Bastian/bStats-Metrics/releases)
- [Commits](Bastian/bstats-metrics@v3.1.0...v3.2.1)

---
updated-dependencies:
- dependency-name: org.bstats:bstats-bukkit
  dependency-version: 3.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -376,7 +376,7 @@
     <dependency>
       <groupId>org.bstats</groupId>
       <artifactId>bstats-bukkit</artifactId>
-      <version>3.1.0</version>
+      <version>3.2.1</version>
       <scope>compile</scope>
     </dependency>