chore: upgrade pnpm to 11.1.2

[chenjiahan]

Summary

This PR upgrades the repository package manager metadata to pnpm 11.1.2 and updates pnpm 11 install configuration where dependency build scripts need an explicit allowBuilds decision. Lockfile or small validation fixes are included only where pnpm 11/local checks required them.

Related Links

• https://github.com/pnpm/pnpm/releases/tag/v11.1.2
• https://github.com/pnpm/pnpm/releases/tag/v11.0.0

[Copilot]

Pull request overview

This PR updates the repo’s package manager metadata to use pnpm 11.1.2 and adds pnpm 11 build-script approval configuration intended to make installs deterministic under pnpm’s newer “explicit build scripts approval” behavior.

Changes:

• Bump packageManager in package.json from pnpm 10.x to pnpm@11.1.2.
• Add a pnpm-workspace.yaml with allowBuilds entries for core-js and simple-git-hooks.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
pnpm-workspace.yaml	Adds pnpm 11 build-script allow/deny decisions for specific dependencies.
package.json	Updates the pinned pnpm version via the packageManager field for Corepack-based installs.

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