fix(vm): support network imports

[sheremet-va]

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[hi-ogawa]

Thanks for picking this up.

I wasn't sure if we should enable code execution from network by default.
I'm not really familiar with what people consider secure or insecure, but I think NodeJs and Deno requires explicit flags to enable this, so I was a bit scared of this.
Also a few more limitations on NodeJS are written here https://nodejs.org/api/esm.html#https-and-http-imports, for example, they only support "https" and also they probably don't allow import "file:..." in network modules.

What's your thought?

Also just cross-linking my old PR #4996

[sheremet-va]

What's your thought?

I think we should follow the limitations of Node here. I will update the PR