Scrutinizer Auto-Fixes

@matteosister requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/matteosister/di-debugger-bundle/inspections/cb4c1d3f-f2d7-4235-89b1-7aa57e6785a2

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer