2.4.0

add support for PHP 8.2

Update PHP version compatibility

• Drop support to PHP 7.3
• Add support to PHP 8.1
• Add static analysis tools to the CI pipeline

Check php 7.4 compatibility

• Added phpunit tests, removed old build process
• Set up with shivammathur/setup-php, configured phan
• Run php-cs-fixer @PHP70Migration, @PHP71Migration, @PHP73Migration
• Removed composer.lock from repo
• Added PHP 7.3, 7.4, 8.0 into a build matrix

2.1.1 - Preserving for future generations

chore: Lower case for composer 2 compatibility