2.1.0

What's Changed

• Fix: Drop support for PHP 5.4 by @localheinz in #57
• Fix: Drop support for PHP 5.5 by @localheinz in #58
• Fix: Drop support for PHP 5.6 by @localheinz in #59
• Fix: Drop support for PHP 7.0 by @localheinz in #60
• Fix: Drop support for PHP 7.1 by @localheinz in #61
• Fix: Drop support for PHP 7.2 by @localheinz in #62
• Fix: Drop support for PHP 7.3 by @localheinz in #63
• Fix: Drop support for PHP 7.4 by @localheinz in #64
• Enhancement: Use friendsofphp/php-cs-fixer by @localheinz in #65
• Enhancement: Run static code analysis with vimeo/psalm by @localheinz in #66

Full Changelog: 2.0.1...2.1.0