[vite-node] allow watching for node_modules/*

[y-nk]

Clear and concise description of the problem

When using in a monorepo as a dev environment, it'd be convenient to have way to include node_modules so that depending workspace packages could also be a reason for rebuild.

Suggested solution

either --watch-node-modules to enable the feature
or maybe --watch-node-modules="regexp" so we could scope which package to watch

Alternative

Adding a config and --config but it's a bit verbose and could benefit a cli option.

Additional context

No response

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