Remove scrutinizer

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌

Fix #142

[what-the-diff]

PR Summary

• Modification to .gitattributes File
  The process of exporting project files has been altered. The file /.scrutinizer.yml will now be included during export. Conversely, the /phpunit.xml.dist file will now be excluded in export processes.

• Deletion of .scrutinizer.yml File
  Unnecessary file .scrutinizer.yml has been removed from the project to improve organization and efficiency.

• Enhancement in CHANGELOG.md
  An improvement has been made: the project now supports version ^2.0 of psr/http-message. This upgrade enhances the project's compatibility and functionality.

• Update in README.md
  URL for the code coverage badge in README.md has been updated. It now points to codecov.io from scrutinizer-ci.com, allowing for a better and more reliable metric representation.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.48%. Comparing base (58321de) to head (f408c65).

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #143   +/-   ##
=========================================
  Coverage     99.48%   99.48%           
  Complexity       85       85           
=========================================
  Files             2        2           
  Lines           195      195           
=========================================
  Hits            194      194           
  Misses            1        1           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.