Feature request: corepack run

Add corepack run with the same behavior as [npm|yarn] run to reduce the necessity of a package manager to run user-defined scripts in the package.json. e.g. with this start script

"scripts": {
  "start": "node index.js"
}

we don't need a package manager to run:

$ corepack run start

Also, we should add the Corepack's wrappers (npm, pnpm and yarn) to the PATH automatically. Achieving the same effect like corepack enable but only on the context of the command execution to support scripts like the following:

"test": "npm run env:test && jest",

Without adding the package managers as global commands.

Start at the corepack run command entry point and compare its intended behavior with [npm|yarn] run, using the package.json scripts example as the baseline. Then examine how Corepack's npm, pnpm, and yarn wrappers are exposed during command execution. Done means user-defined scripts run without a global package manager and nested wrapper commands resolve only for that execution.