Release v3.9.0

What's Changed

• deps: Bump gradle from 8.4 to 8.5
• deps: bump com.github.spotbugs from 5.2.4 to 6.0.1 by @dependabot in #127
• deps: bump com.github.spotbugs:spotbugs-annotations from 4.8.1 to 4.8.2 by @dependabot in #126
• deps: bump com.github.spotbugs from 6.0.1 to 6.0.2 by @dependabot in #130
• deps: bump io.papermc.paper:paper-api from 1.20.2-R0.1-SNAPSHOT to 1.20.4-R0.1-SNAPSHOT by @dependabot in #129
• chore: reduce redundant code in main workflow
• build: bump actions/setup-java from 3 to 4 by @dependabot in #128

Full Changelog: v3.8.4...v3.9.0