6.0.0-rc1

What's Changed

• API Update deprecations by @emteknetnz in #1176
• API Stop using deprecated API by @emteknetnz in #1177
• DEP PHP Support in CMS5 by @sabina-talipova in #1182
• FIX Use HTMLValue::class by @emteknetnz in #1184
• MNT Broken builds by @emteknetnz in #1186
• MNT Remove legacy upgrader config by @emteknetnz in #1188
• MNT Broken builds by @emteknetnz in #1190
• API Remove deprecated code by @sabina-talipova in #1185
• MNT Unit test PHP 8.2 compatibility by @emteknetnz in #1187
• DEP Upgrade frontend build stack by @GuySartorelli in #1191
• ENH Update translations by @emteknetnz in #1195
• MNT Use gha-dispatch-ci by @emteknetnz in #1196
• MNT Update dev JS by @emteknetnz in #1202

Full Changelog: 5.14.2...6.0.0-rc1