Update composer.json

Updated composer version

Merge pull request #179 from paynl/feature/rc169_fixphp83

Bumped version

Merge pull request #175 from paynl/feature/PLUG-4688

PLUG-4688 - Refund 404 fix

Bumped version

Merge pull request #21 from paynl/frompublicmaster

Frompublicmaster

Merge pull request #173 from basmilius/master

PHP 8.4: Mark parameters as nullable.

Bumped version

Updated composer version

Updated composer version