Merge pull request #25 from unwelt/fix/compability_with_http-kernel_6.x

Added support Symfony HttpKernel 6.x

Merge pull request #24 from Fighter90/symfony6-support

Added symfony 6 support

Merge pull request #21 from nightlinus/fix/remove_deprecation_notices…

…_for_sf_5

Fix deprecation notices for single colon routes definitions

add return type to getContainerExtension

Update guzzlehttp/psr7 dependency & smallfix in test

add redis storage

fix code style

Delete .travis.yml

Merge pull request #8 from paillechat/bugfix/fix_config_key_name

Fix `merge` collector `default_tags` config key

Merge pull request #5 from scaytrase/feature/background-resolution

Background resolution