Changelog for version 3.88.0

• feat: Support custom rulesets (#6083)
• feat: introduce @auto, @auto:risky sets (#9090)
• feat: introduce @autoPHPMigration, @autoPHPMigration:risky, @autoPHPUnitMigration:risky sets (#9068)
• feat: start using new defaults for rules under future mode (#9020)
• feat: rename rule sets from MAJORMINOR and MAJOR.MINOR into MAJORxMINOR (#9005)
• feat: rename visibility_required into modifier_keywords (#8995)
• feat: symfony ruleset: Add @const to phpdoc_no_alias_tag (#9016)
• fix: BlankLinesBeforeNamespaceFixer - handle namespace without newline before (#9059)
• docs: fix typo (#9060)
• docs: update CONTRIBUTING.md (#9074)
• docs: update README for updated PHP/PHPUnit set names (#9070)
• DX: Allow development on PHP 8.5 (#9092)
• chore: enforce list via array_values() (#9054)
• chore: ErrorOutput - line is optional (#9047)
• chore: fix cs in entry point file (#9064)
• chore: fix CS, somehow it missed the CI of .php-cs-fixer.well-defined-arrays.php (#8987)
• chore: fix some argument.type errors (#9056)
• chore: groom Automatic rulesets code (#9091)
• chore: phpstan - do not ignore all internal usage errors (#9063)
• chore: replace wrong class-string usages (#8968)
• chore: getcwd() - ignore false return value (#9057)
• chore: ReporterFactory - use class-string type (#9055)
• CI: check for typos (#9048)
• CI: don't prevent the build when remote coverage reporting service is down (#9095)
• CI: fix smoke tests after #9005 (#9061)
• CI: fix typos in CHANGELOG.md (#9052)
• CI: mutation tests - disable github annotations (#9062)
• CI: Test docs generation only once per CI pipeline (#9089)
• CI: push event only for master branch (#9046)
• CI: push event only for master branch (#9050)
• deps: bump box version (#9042)
• deps: bump ergebnis/composer-normalize from 2.48.1 to 2.48.2 in /dev-tools (#9045)
• deps: bump phpstan/phpstan from 2.1.25 to 2.1.28 in /dev-tools in the phpstan group (#9072)
• deps: unify alpine version for PHP 8.4 (#9077)
• deps: update phpstan and phpstan-baseline-per-identifier (#9051)
• deps: update squizlabs/php_codesniffer to v4.0 and other related packages (#9075)
• deps: upgrade alpine wherever possible (#9078)
• deps: upgrade infection/infection to ^0.31.0 (#9079)
• refactor: introduce concept of AutomaticRuleSet (#9067)
• refactor: rename RuleSetDescriptionInterface into RuleSetDefinitionInterface (#9094)
• test: ensure alpine version same between Dockerfile and compose.yaml (#9076)
• test: ensure alpine version same in compose.yaml and release.yml (#9071)
• test: extend tests to cover new migration rule set names (#9069)
• test: improve testing that objects cannot be serialized/unserialized (#9049)