support php 8 and xdebug 3

[Evgen14]

Description

Fixes # (issue)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I wrote unit tests for my code (if tests is required for my changes)
• I have made changes in CHANGELOG.md file

[ssitdikov]

Может пора?)

[codecov-commenter]

Codecov Report

Merging #34 (c953369) into master (bbe026d) will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##              master       #34   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
- Complexity       590       591    +1     
===========================================
  Files             42        42           
  Lines           1340      1341    +1     
===========================================
+ Hits            1340      1341    +1     

Flag	Coverage Δ
php	100.00% <100.00%> (ø)

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Impacted Files	Coverage Δ
src/Responses/Entities/ReportContent.php	100.00% <100.00%> (ø)

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[eldario]

Thanx for your PR!