Test on 8.4

Prep changelog

Removed a test which tests symfony 🤷

Prep changelog for v1.4.0

Merge pull request #129 from winkbrace/master

Also allow tactician-logger 0.11

Merge pull request #128 from chalasr/sf-54+6

Allow Symfony 5.4 & 6.0

Merge pull request #125 from acasademont/php8_fix

Remove PHP8 deprecation notices

Update CHANGELOG.md

Merge pull request #119 from webinarium/master

Symfony 5 support

Symfony 4.1 doesn't play with PHP 7.4 correctly

But it's also no supported anymore, so just exclude it from the build.