Support Python 3.13, drop support for Python 3.8

[fizyk]

Chore that needs to be done:

• Add newsfragment pipenv run towncrier create [issue_number].[type].rst

Types are defined in the pyproject.toml, issue_numer either from issue tracker or the Pull request number.

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.03%. Comparing base (442193d) to head (979e33d).
Report is 2 commits behind head on main.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1393   +/-   ##
=======================================
  Coverage   99.03%   99.03%           
=======================================
  Files           5        5           
  Lines         104      104           
=======================================
  Hits          103      103           
  Misses          1        1           

Flag	Coverage Δ
linux	99.03% <ø> (ø)

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