6.0.0-alpha1

What's Changed

• DEP Dependencies for CMS 6 by @emteknetnz in #132
• DEP Limit PHP support for CMS 6 by @GuySartorelli in #155
• API Standardise extension hooks by @GuySartorelli in #154
• API Replace Extension subclasses by @emteknetnz in #156
• MNT Use webpack-config 3 by @emteknetnz in #151
• API Deprecate API that will be removed by @GuySartorelli in #162
• DEP Use PHPUnit 11 by @emteknetnz in #161
• ENH Don't use deprecated method by @GuySartorelli in #164
• API Use new names for renamed classes by @GuySartorelli in #163
• DEP Increase minimum version of silverstripe/framework by @emteknetnz in #166
• API Update API to reflect changes to CLI interaction by @GuySartorelli in #160
• ENH Use symfony/validation logic by @GuySartorelli in #167
• DEP Update JS dependencies by @emteknetnz in #169
• API Explicity mark nullable parameters for PHP 8.4 by @emteknetnz in #171

Full Changelog: 5.4.0...6.0.0-alpha1