build: update pnpm to v10.20.0 (21.0.x)

[angular-robot]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pnpm (source)	10.19.0 -> 10.20.0

---

Release Notes

pnpm/pnpm (pnpm)

v10.20.0

Compare Source

Minor Changes

• Support --all option in pnpm --help to list all commands #​8628.

Patch Changes

• When the latest version doesn't satisfy the maturity requirement configured by minimumReleaseAge, pick the highest version that is mature enough, even if it has a different major version #​10100.
• create command should not verify patch info.
• Set managePackageManagerVersions to false, when switching to a different version of pnpm CLI, in order to avoid subsequent switches #​10063.

---

Configuration

📅 Schedule: Branch creation - "after 6am and before 10am on Monday, Wednesday, Friday" in timezone Europe/Rome, 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 these updates again.

---

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

---

This PR has been generated by Renovate Bot.

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}