Issue Increase PHPstan to 6 , then 7, then 8 , then 9

Signed-off-by: horea <horea@rospace.com>

Author: Howriq

README.md

@@ -22,7 +22,9 @@ Documentation is available at: https://docs.dotkernel.org/light-documentation/
 [![Continuous Integration](https://github.com/dotkernel/light/actions/workflows/continuous-integration.yml/badge.svg?branch=1.0)](https://github.com/dotkernel/light/actions/workflows/continuous-integration.yml)
 [![codecov](https://codecov.io/gh/dotkernel/light/graph/badge.svg?token=UpVJ5ELvfZ)](https://codecov.io/gh/dotkernel/light)
 [![Qodana](https://github.com/dotkernel/light/actions/workflows/qodana_code_quality.yml/badge.svg)](https://github.com/dotkernel/light/actions/workflows/qodana_code_quality.yml)
+
 [![PHPStan](https://github.com/dotkernel/light/actions/workflows/static-analysis.yml/badge.svg?branch=1.0)](https://github.com/dotkernel/light/actions/workflows/static-analysis.yml)
+![PHPstan Level](https://img.shields.io/badge/PHPStan-level%208-brightgreen)
 
 ## Installing Dotkernel `light`
 

phpstan.neon

@@ -1,7 +1,7 @@
 includes:
     - vendor/phpstan/phpstan-phpunit/extension.neon
 parameters:
-    level: 6
+    level: 8
     paths:
         - bin
         - config