Add Symfony 8 support (#44)

Ensure Symfony 7.2 is supported, close #42 (#43)

Add support for PHP 8.4 (#41)

chore: drop support for Symfony 4.4 and PHP 7.4, as they are not main…

…tained since a long time (#36)

* chore: drop support for Symfony 4.4 and PHP 7.4, as they are not maintained since a long time

* chore: update PHPStan and fix some errors

* chore: setup Rector

chore: setup Rector

Revert "chore: setup Rector"

This reverts commit 9689d95f5c14e19df1a821d6ba6f1644bd8dcbfb.

fix(bridge:JavaScript): fix "isMessageEvent()" checks (#32)

chore: make CI working again (#31)

Update README.md

feat(behat): add "I debug this email" step, close #10 (#27)

feat: allow PHP 8, close #21 (#22)

feat(behat): add new assertions if has attachment with name is same o…

…r matches, close #12 (#14)