tsconfig extends module references not supported

[holvi-sebastian]

Describe the bug

When extending a tsconfig that is referenced with module syntax, without the /tsconfig.json filename, unplugin-swc fails to load the tsconfig.

The problem is with load-tsconfig not correctly handling the (otherwise valid) case. I have opened a PR to fix this issue in that repo: egoist/load-tsconfig#27

After its merged, unplugin-swc should update its load-tsconfig version.

Reproduction

https://github.com/holvi-sebastian/load-tsconfig/tree/support-module-references-in-extends

System Info

n/a

Used Package Manager

pnpm

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