2.6.1

• Fix: Do not use deprecated RuleSet (#266), by @localheinz
• Fix: Sort fixers (#267), by @localheinz
• Fix: Rename methods and variables (#268), by @localheinz
• Fix: Comment (#269), by @localheinz
• Fix: Rename variables (#270), by @localheinz
• Fix: Remove unnecessary sort() (#271), by @localheinz
• Fix: Rename variable (#272), by @localheinz
• Fix: Diff (#273), by @localheinz
• Enhancement: Update ergebnis/composer-normalize (#274), by @localheinz
• Enhancement: Update ergebnis/test-util (#275), by @localheinz
• Fix: Update friendsofphp/php-cs-fixer (#276), by @localheinz