chore(deps): update pnpm/action-setup action to v6.0.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	Pending
pnpm/action-setup	action	patch	v6.0.3 → v6.0.4	v6.0.5

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Release Notes

pnpm/action-setup (pnpm/action-setup)

v6.0.4

Compare Source

What's Changed

• fix: use npm co-located with the action node binary by @​benquarmby in #​239

New Contributors

• @​benquarmby made their first contribution in #​239

Full Changelog: pnpm/action-setup@v6.0.3...v6.0.4

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This PR was generated by Mend Renovate. View the repository job log.

[github-actions]

Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

• Bug fix only: v6.0.4 contains a single fix — "use npm co-located with the action node binary" (fix: use npm co-located with the action node binary pnpm/action-setup#239)
• Root cause: PR chore(deps): update node.js to v24 #212 introduced npm ci as a bootstrap mechanism. On standard GitHub-hosted runners, npm is on PATH; on GHE self-hosted runners it may not be, causing spawn npm ENOENT failures
• Fix: Resolves npm path via dirname(process.execPath) and prepends it to the child PATH, making the action work reliably on both standard and self-hosted runners
• No breaking changes: No API changes, no configuration changes, no new required inputs
• Test coverage: Verified on standard GitHub-hosted Linux, macOS, and Windows runners, as well as GHE self-hosted runners

🎯 Impact Scope Investigation

• ci.yml: 3 jobs use pnpm/action-setup pinned by commit hash — format-check, typecheck, notion-sync-dry-run. All 3 are updated by this PR from 903f9c1... (v6.0.3) → 26f6d4f... (v6.0.4)
• sync-with-notion.yml: Uses pnpm/action-setup@v6 (floating tag, not pinned). This workflow is NOT touched by this PR but already resolves to v6.0.4 via the floating tag
• trigger-sync-from-pr-comment.yml: Does not use pnpm/action-setup
• No dependency impact: This is a GitHub Actions action, not a library — it does not affect node_modules, pnpm-lock.yaml, or runtime dependencies

💡 Recommended Actions

• No migration steps required
• No code modifications needed
• Merge as-is — this is a straightforward patch that improves reliability without any risk of regression on standard GitHub-hosted runners (which this repository uses)

🔗 Reference Links

• v6.0.4 Release Notes
• Fix PR #239: use npm co-located with the action node binary
• Issue #234: spawn npm ENOENT on self-hosted runners

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