[typings] Replace deprecated typing with py built-in types

[felixdittrich92]

This PR:

• Replace deprecated typing with python built-in types

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.22%. Comparing base (ff8cce4) to head (dd0b662).
Report is 1 commits behind head on main.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #51      +/-   ##
==========================================
- Coverage   98.23%   98.22%   -0.02%     
==========================================
  Files          66       66              
  Lines        2039     2027      -12     
==========================================
- Hits         2003     1991      -12     
  Misses         36       36              

Flag	Coverage Δ
unittests	98.22% <100.00%> (-0.02%)	⬇️

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