chore: remove deprecated pyo3 methods

[ion-elgreco]

Description

The description of the main changes of your pull request

Related Issue(s)

Documentation

[codecov]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 26.21%. Comparing base (26e2b42) to head (cf95e61).

Files with missing lines	Patch %	Lines
crates/core/src/writer/stats.rs	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3975      +/-   ##
==========================================
- Coverage   26.22%   26.21%   -0.02%     
==========================================
  Files         124      124              
  Lines       19886    19887       +1     
  Branches    19886    19887       +1     
==========================================
- Hits         5216     5214       -2     
- Misses      14300    14303       +3     
  Partials      370      370              

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