make sure ipc with json serialization still works when bun is parent and not the child

[nektro]

Closes #13799

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before

SyntaxError: Unexpected token '', ""I am your father"" is not valid JSON
    at parse (<anonymous>)
    at parseChannelMessages (node:internal/child_process/serialization:152:15)
    at parseChannelMessages.next (<anonymous>)
    at channel.onread (node:internal/child_process:623:18)

after

passes

[robobun]

^{Updated 1:29 PM PT - Jan 11th, 2025}

✅ @nektro, your commit c4f317a has passed in #9459! 🎉

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🧪   try this PR locally:

bunx bun-pr 14756

[Jarred-Sumner]

Please add a test that checks node -> bun IPC works as well.

Please also add a test that runs the invalid JSON.parse case matches the behavior of Node when it receives invalid JSON.

[Jarred-Sumner]

looks like it's printing garbage to stdout on Windows