Update pnpm to v7.1.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	7.1.7 -> 7.1.8

---

Release Notes

pnpm/pnpm

v7.1.8

Compare Source

Patch Changes

• Suggest updating using Corepack, when pnpm was installed via Corepack.
• It should be possible to install a git-hosted package that has no package.json file #​4822.
• Fix pre-compiled pnpm binaries crashing when NODE_MODULES is set.

Our Sponsors

#### What's Changed * fix: pnpm pre-compiled binaries crash when NODE_MODULES is set by @​gluxon in https://github.com/pnpm/pnpm/pull/4823 * refactor(lockfile-file): Abstract LockfileFile to Lockfile conversion by @​gluxon in https://github.com/pnpm/pnpm/pull/4824 * test: update Jest by @​zkochan in https://github.com/pnpm/pnpm/pull/4644 * fix(cli): suggest to update with Corepack by @​zkochan in https://github.com/pnpm/pnpm/pull/4854 * fix: resolve manifest promise when manifest is not found by @​zkochan in https://github.com/pnpm/pnpm/pull/4826

Full Changelog: pnpm/pnpm@v7.1.7...v7.1.8

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

♻ Rebasing: Whenever PR becomes conflicted, 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, click this checkbox.

---

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