Drop Python 3.8 support

[babenek]

Description

Please include a summary of the change and which is fixed.

• Removed python3.8 checks and package limitations fixes Drop Python 3.8 support #666
• Update actions references and yaml format

How has this been tested?

Please describe the tests that you ran to verify your changes.

• UnitTest
• Benchmark

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.40%. Comparing base (e319555) to head (f6d2c92).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #668      +/-   ##
==========================================
- Coverage   92.42%   92.40%   -0.03%     
==========================================
  Files         135      135              
  Lines        4952     4952              
  Branches      808      808              
==========================================
- Hits         4577     4576       -1     
  Misses        237      237              
- Partials      138      139       +1     

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[babenek]

Requirement for main branch was removed after the PR creation - so it still here. May be merged anyway