Upgrade to Symfony 5.4 LTS

[deesonlee]

Warden currently runs on Symfony 3.4 components these should be updated to the latest Symfony 5.4 LTS release

• [x] Upgrade to Symfony 4.4 LTS
• [x] Use Lando for local development/testing
• [ ] Fix deprecations in WardenBundle
• [ ] Fix deprecations in WardenDrupalBundle
• [ ] Fix deprecations in WardenThirdPartyBundle
• [ ] Upgrade to Symfony Flex
• [ ] Upgrade to Symfony 5.4 LTS
• [ ] Fix deprecations in WardenBundle
• [ ] Fix deprecations in WardenDrupalBundle
• [ ] Fix deprecations in WardenThirdPartyBundle
• [ ] Fix compatibility with PHP 8.0/8.1
• [ ] Update Symfony Flex to v2

[mathg]

Hi @deesonlee , any update on this? Thanks for your time working on this, it's a great tool!

[deesonlee]

Sorry @mathg I didn't see the notifications for this. I'll revisit the checklist next week but to answer your question we are nearly there with the deprecations and are currently refactoring the module checker to work with semantic version numbers.