5.0.3

• PHP 8.4 support (implicit nullable types are deprecated) (#276)
• ECI decoding now allows for numeric and alphanumeric segments to be preceded by an ECI designator (#289)
• simplified Number and AlphaNum classes (backport from dev-main. v6)
• QRFpdf::dump() now accepts an FPDF instance as second optional parameter
• dependency & CI updates
  • fixed the broken PHPCS config
  • added Slevomat Coding Standard
  • added PHP Compatibility Coding Standard
• added PHPStorm code style