update(chore): use typed dataclasses instead of dict

[Guts]

No description provided.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
2 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.49%. Comparing base (72a2de7) to head (8fd6f74).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #337      +/-   ##
==========================================
+ Coverage   79.91%   80.49%   +0.57%     
==========================================
  Files          11       11              
  Lines         707      728      +21     
  Branches      121      121              
==========================================
+ Hits          565      586      +21     
  Misses         99       99              
  Partials       43       43              

Flag	Coverage Δ
unittests	80.49% <100.00%> (+0.57%)	⬆️

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Files with missing lines	Coverage Δ
mkdocs_rss_plugin/models.py	100.00% <100.00%> (ø)
mkdocs_rss_plugin/plugin.py	90.57% <100.00%> (+0.06%)	⬆️