chore: bump claude-blocking-review @v2.0.2 → @v3

[twistedmelonman]

Summary

Bumps the pinned version of smartwatermelon/github-workflows/.github/workflows/claude-blocking-review.yml from @v2.0.2 to @v3 (released today via github-workflows#62).

What v3 changed

• Drops the --max-turns cap on the Claude review agent. Reviews are now bounded only by the wall-clock timeout-minutes (the hard safety net), the prompt's scope discipline, and the OAuth subscription quota. The "exceeded turn limit" failure mode that recently force-killed reviews on small/medium diffs is gone.
• Removes the max_turns input parameter. This caller workflow does not pass it, so no other change is required.
• Re-bases timeout estimation on diff size directly: 10 + lines/100 minutes (floor 10, cap 30).
• Tightens the prompt with explicit self-bounding (3-file ceiling per hypothesis) since it's now the soft constraint where the turn cap used to be the hard one.

Test plan

• CI on this PR exercises the bumped workflow on a workflow-only diff — the workflow's PRIORITY SKIP path should fire (claude-code-action refuses to review PRs that modify workflows). Status check should pass quickly.
• Next non-workflow PR after merge gets the real v3 review.

🤖 Generated with Claude Code

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