2.0.0

• Enhancement: Update localheinz/php-cs-fixer-config (#43), by @localheinz
• Enhancement: Switch to travis-ci.com (#44), by @localheinz
• Enhancement: Configure code owners (#45), by @localheinz
• Fix: Remove sudo configuration (#46), by @localheinz
• Fix: Drop support for PHP 7.0 (#47), by @localheinz
• Enhancement: Require localheinz/composer-normalize (#48), by @localheinz
• Enhancement: Update localheinz/php-cs-fixer-config (#49), by @localheinz
• Enhancement: Add PHP 7.3 to Travis CI build matrix (#51), by @localheinz
• Enhancement: Update localheinz/php-cs-fixer-config (#52), by @localheinz
• Enhancement: Update localheinz/composer-normalize (#53), by @localheinz
• Fix: Update breerly/factory-girl-php (#54), by @localheinz
• Enhancement: Update infection/infection (#55), by @localheinz
• Enhancement: Update phpunit/phpunit (#56), by @localheinz
• Enhancement: Update infection/infection (#57), by @localheinz
• Enhancement: Split test suites into unit and auto-review (#59), by @localheinz
• Fix: Do not self-update composer (#60), by @localheinz
• Enhancement: Require phpstan/phpstan (#58), by @localheinz
• Enhancement: Update localheinz/test-util (#50), by @localheinz
• Enhancement: Add FUNDING.yml (#61), by @localheinz
• Fix: Drop support for PHP 7.1 (#63), by @localheinz
• Enhancement: Synchronize project tooling configuration with localheinz/php-library-template (#62), by @localheinz
• Enhancement: Use ergebnis/php-cs-fixer-config (#64), by @localheinz
• Enhancement: Use ergebnis/test-util instead of localheinz/test-util (#65), by @localheinz
• Enhancement: Use ergebnis/phpstan-rules instead of localheinz/phpstan-rules (#66), by @localheinz
• Fix: Restore README.md (#67), by @localheinz
• Enhancement: Use ergebnis/classy instead of localheinz/classy (#68), by @localheinz
• Enhancement: Use reference style links in CHANGELOG.md (#70), by @localheinz
• Enhancement: Synchronize with ergebnis/php-library-template (#69), by @localheinz
• Fix: Add return type declarations (#71), by @localheinz
• Enhancement: Run builds on PHP 7.4 (#72), by @localheinz
• Fix: Rename namespace after move to @ergebnis (#73), by @localheinz