Symfony 6.3 support

What's Changed

• Fix CI badge in README file by @willdurand in #333
• Remove symfony2 reference by @gabiudrescu in #331
• Update getTranslations.js.twig by @AngelikLy in #317
• Update CI versions by @monteiro in #339
• Exclude tests and development files from the archive by @stof in #283
• Fix deprecations of Symfony 6.3 by @stof in #343

New Contributors

• @gabiudrescu made their first contribution in #331
• @AngelikLy made their first contribution in #317

Full Changelog: 5.0.0...5.1.0