v8.0.0-a.1

What's Changed

• Split event tracker from finder by @asamuzaK in #237
• Split pseudo class evaluator from finder by @asamuzaK in #238
• Refactor nwsapi and implement internally by @asamuzaK in #239
• Replace benchmark with tinybench by @asamuzaK in #240
• Bump Node.js version by @asamuzaK in #241
• Update extractSubjects() by @asamuzaK in #242

Full Changelog: v7.1.1...v8.0.0-a.1