chore: Align Actor task publication models with the published OpenAPI spec

[apify-service-account]

Merges current master and regenerates the models from the published OpenAPI specification (v2-2026-08-05T133145Z -> v2-2026-08-14T072928Z).

• Drops TaskPublicConfig.categorization, which is not present in the published spec.
• Restores the max_length constraints on seo_title (60) and seo_description (160).
• Takes the spec's wording for the related docstrings.
  • No released API surface changes - the task publication feature itself first ships in 3.1.4.

✍️ Drafted by Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.95%. Comparing base (00ce055) to head (c7d32a2).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1007      +/-   ##
==========================================
- Coverage   94.96%   94.95%   -0.01%     
==========================================
  Files          58       58              
  Lines        5438     5436       -2     
==========================================
- Hits         5164     5162       -2     
  Misses        274      274              

Flag	Coverage Δ
integration	91.75% <100.00%> (+0.16%)	⬆️
unit	85.81% <100.00%> (-0.01%)	⬇️

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