chore(deps): update pnpm/action-setup action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
pnpm/action-setup	action	major	v3.0.0 -> v4.0.0

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Release Notes

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

v4.0.0

Compare Source

An error is thrown if one version of pnpm is specified in the packageManager field of package.json and a different version is specified in the action's settings #​122

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