13.1.0

What's new since 13.0.1

🚀 Enhancements

• Move PHPUnit recipe to plugin @danepowell (#4402)

🐛 Bug Fixes

• Fix #4392: [config_split] ah_other shouldn't apply to dev/stage/prod @danepowell (#4396)

🧰 Maintenance

• Remove phpcs:ignore @danepowell (#4366)
• Add PHP 8 tests @danepowell (#4383)
• Migrate to Github Actions from Travis CI @danepowell (#4393)