use packageManager to fixed pnpm version

[baboon-king]

Description

虽然目前是实验性的，但是他被 node 官方所维护，并且仅仅在 package.json 使用 一个字段就能使用，并带来以下2点核心收益。

corepack
It eases new contributor onboarding, since they won't have to follow system-specific installation processes anymore just to have the package manager you want them to.

It allows you to ensure that everyone in your team will use exactly the package manager version you intend them to, without them having to manually synchronize it each time you need to make an update.

[baboon-king]

Related to #356