chore: track sdk-gen remove pagination_request_arg (no sdk diff)

[chyroc]

Summary

• track sdk-gen cleanup removing pagination_request_arg config support
• regenerated Python SDK output has zero file diff
• this is a traceability PR only (no SDK code changes)

Upstream

• coze-sdk-gen PR: refactor(py): remove pagination_request_arg config support coze-sdk-gen#53

Validation

• ./scripts/genpy.sh --output-sdk /tmp/coze-py-4YRQ4j --ci-check
  • generation/lint/type-check/build/tests passed (285 passed)
  • no generated file diff (git -C /tmp/coze-py-4YRQ4j status -sb clean)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.75%. Comparing base (3bd04ea) to head (3e5ca24).
⚠️ Report is 3 commits behind head on main.

@@           Coverage Diff           @@
##             main     #421   +/-   ##
=======================================
  Coverage   91.75%   91.75%           
=======================================
  Files         105      105           
  Lines        9542     9542           
=======================================
  Hits         8755     8755           
  Misses        787      787           

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