v4.0.0

Major release

• Now supports on php 8.1
• Minimum php version is set to php 8.0
• Bump laravel-zero framework to v9.0

What's Changed

• bump packages by @albinvar in #25
• Bump dependencies by @albinvar in #27
• Bump laravel-zero/framework to 9.0 by @albinvar in #28
• build v4.0.0 by @albinvar in #29

Full Changelog: v3.3.3...v4.0.0