feat: treat Astro file scripts as TS

[matthewp]

Description

This updates the import scanner to treat <script> tags inside of .astro files as TypeScript and not JS. In Astro plain scripts can contain TypeScript and this changes prevents error messages coming from the import scanner.

Additional context

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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• Read the Contributing Guidelines.
• Read the Pull Request Guidelines and follow the Commit Convention.
• Check that there isn't already a PR that solves the problem the same way to avoid creating a duplicate.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
• Ideally, include relevant tests that fail without this PR but pass with it.

[matthewp]

Looks like I broke all the things, will fix 😀

[matthewp]

@patak-dev Tests are fixed

[patak-dev]

I don't think this is a good long-term solution. We need to find a way to let frameworks configure Vite instead of adding patches in Core. But I still think we should merge this PR while we define and implement this API.