👷 Changes for plugin developers

• Fix incrementals (#353) @basil

👻 Maintenance

• Forward compatibility with Guice 7 (#374) @basil
• Test with Java 21 (#368) @MarkEWaite

✍ Other changes

• JENKINS-73163 - Follow up on Overall/Manage permission support (#379) @amuniz
• JENKINS-73163 - Allow users with Overall/Manage permission to configure GitHub Servers (#378) @amuniz
• Replace JSR-305 annotations with spotbugs annotations (#377) @MarkEWaite
• JENKINS-71805 - GitHub tests fail on Java 21 (#351) @basil
• Replace Prototype.js with native JavaScript (#349) @basil
• Upgrade plugin parent POM to 4.60 (#342) @basil
• JENKINS-69353 - github-plugin test failure on Java 17 (#328) @basil
• Refresh plugin for 2023 (#325) @basil

📦 Dependency updates

• Upgrade HtmlUnit from 2.x to 3.x (#350) @timja-bot