feat: add Symfony-7 support & deprecates old PHPvs (#104)

Co-authored-by: Sean O'Brien <[email protected]>

Merge pull request #75 from chrisguitarguy/root_node

Favor TreeBuilder::getRootNode

Merge pull request #93 from VincentLanglet/attributes

Add gitattributes

2.5.0 release

* Upgrade minimum version of PHPUnit

* Mark client service definition as lazy

* Added support for Symfony ~6.0

* Moved Travis tests to Github actions

2.2.2 release

2.2.1 release

2.2.0 release

2.1.0 release