Allow Symfony 5 + 6 as dependency for symfony/framework-bundle

• Upgrade versions of depedency packages
• Improvments at PHPUnit tests (from 5.5 to 9.x)

v2.0.3

Merge pull request #16 from boldare/php-8

Allow to use with PHP 8.

v2.0.2: Merge pull request #15 from KamilSzczepaniuk/sf4.1-compatibility

Symfony 4.1 compatibility

v2.0.1

PHPStan obsolete config removed.

v2.0.0: Merge pull request #14 from xsolve-pl/symfony-4

Getting ready for Symfony 4.

v1.0.9: Merge pull request #13 from mrosiu/bugfix-readme

Fixed documentation

v1.0.8: Merge pull request #12 from xsolve-pl/more-badges

Some Packagist badges added

v1.0.7: Merge pull request #11 from xsolve-pl/badges

Add Scrutinizer badge

v1.0.6: Merge pull request #10 from IonBazan/readme-improvements

readme improvements

v1.0.5: Merge pull request #7 from janek2012/scalar-argument-fix

Added checking if provided arguments are objects