v1.4.0-RC1

What's Changed

• Fix tests to be able to finish it successfully by @alquerci in #56
• Add consistent local environment for testing with docker and docker-compose by @alquerci in #86
• Update Builder.php for PHP8 compatibility by @xNatek in #82
• PHP 8.0 and 8.1 by @Tybaze in #85

New Contributors

• @xNatek made their first contribution in #82
• @Tybaze made their first contribution in #85

Full Changelog: v1.3.8...v1.4.0-RC1