802.v8013b_40c7edc

👷 Changes for plugin developers

• Remove usages of Prototype (#168) @basil
• Upgrade HtmlUnit from 2.x to 3.x (#161) @timja-bot

🚦 Tests

• Add Java 17 to test matrix (#133) @NotMyFault

📦 Dependency updates

• Bump git-changelist-maven-extension from 1.6 to 1.7 (#165) @dependabot
• Bump plugin from 4.66 to 4.71 (#167) @dependabot
• Bump plugin from 4.60 to 4.61 (#151) @dependabot