chore(deps): update dependency pnpm to v6.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	6.3.0 -> 6.4.0

---

Release Notes

pnpm/pnpm

v6.4.0

Compare Source

Features

• Added support for type and imports in publishConfig field of the package.json manifest #​3315.

Bug Fixes

• Do not print a warning if a skipped optional dependency cannot be hoisted #​3454.
• The second argument to readPackage hook should always be the context object #​3455.

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box.

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[github-actions]

🎉 This PR is included in version 1.10.1 🎉

The release is available on:

• GitHub release
• 1.10.1

Your semantic-release bot 📦🚀