Update pnpm/action-setup action to v3

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
pnpm/action-setup	action	major	v2.4.0 -> v3.0.0

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Release Notes

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

### [`v3.0.0`](https://togithub.com/pnpm/action-setup/releases/tag/v3.0.0) [Compare Source](https://togithub.com/pnpm/action-setup/compare/v2.4.0...v3.0.0) The action is updated to run on Node.js v20

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Configuration

📅 Schedule: Branch creation - "before 3am on Monday" (UTC), 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.

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

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[cypress[bot]]

Passing run #4657 ↗︎

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Details:

Update pnpm/action-setup action to v3
Project: NotGovUK	Commit: eda4ef1b08
Status: Passed	Duration: 12:06 💡
Started: Mar 8, 2024 3:48 PM	Ended: Mar 8, 2024 4:00 PM

Review all test suite changes for PR #928 ↗︎

[cypress[bot]]

Passing run #4660 ↗︎

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Details:

Merge eda4ef1b084f34a1d69dad5857378749d7fb60f4 into e20506f8827fb4e30edcffa6a759...
Project: NotGovUK	Commit: 80cfd54cca ℹ️
Status: Passed	Duration: 12:45 💡
Started: Mar 8, 2024 3:50 PM	Ended: Mar 8, 2024 4:03 PM

Review all test suite changes for PR #928 ↗︎