ci: run tests again php 8.4 and symfony 7.1/7.2 (Dukecity#125)

Co-authored-by: Christopher Georg <christopher.georg@sr-travel.de>

fix: doctrine getRepository (Dukecity#33)

Co-authored-by: Florian Bogey <florian.bogey@gl-events.com>

Allow symfony 5.4 and 6.0 (drop support of symfony < 5.4) (Dukecity#32)

* feat: allow symfony 6

* feat: github actions

* feat: update README.md for new Version 5.x

Merge pull request Dukecity#30 from NaincyKumariKnoldus/fixed_css

Fixed Wrong asset filename in layout view

Merge pull request Dukecity#27 from Knallcharge/patch-4

Update README.md

feat: update liip/test-fixtures-bundle

feat: remove symfony/inflector

fix: commandParser Dukecity#18

fix: commandParser Dukecity#18

fix for symfony 4.x