Add symfony 6 support

• Adds symfony 6 support; dropping 4
• Adds php ^8.1 support; dropping anything lower
• Drops twig 2 support

Update phpcs-tool to 9.1.0 with Hostnet-Level-1

• Updates phpcs-tool to 9.1.0 with Hostnet-Level-1

php 8 support

1.0.4

updated phpunit to 9

Replaced deprecated Twig classes with namespaced variant

Replaced deprecated Twig classes with namespaced variant

Updated twig/twig to prevent security issue

Merge pull request #3 from ping-localhost/twig-security-issue

Updated twig/twig to prevent security issues

Only format valid IBANs

In the IBAN formatter, only valid IBANs are formatted.

1.0.0

Created initial bundle (#1)