feat: add Marko example and include code coverage for Marko files

[DylanPiercey]

Description

• Adds Marko to the list of supported frameworks (with an example).
• Enables code coverage for Marko files by default.

Please don't delete this checklist! Before submitting the PR, please make sure you do the following:

• It's really useful if your PR references an issue where it is discussed ahead of time. If the feature is substantial or introduces breaking changes without a discussion, PR might be closed.
• Ideally, include a test that fails without this PR but passes with it.
• Please, don't make changes to pnpm-lock.yaml unless you introduce a new test example.

Tests

• Run the tests with pnpm test:ci.

Documentation

• If you introduce new functionality, document it. You can run documentation with pnpm run docs command.

Changesets

• Changes in changelog are generated from PR name. Please, make sure that it explains your changes in an understandable manner. Please, prefix changeset messages with feat:, fix:, perf:, docs:, or chore:.

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[DylanPiercey]

Rebased, hopefully that's helpful @sheremet-va

[sheremet-va]

@DylanPiercey Marko example fails when we try to update dependencies in #5123

Do you have any ideas as to why might that be?

[DylanPiercey]

@sheremet-va could you link the failure? Having a hard time finding it

[sheremet-va]

@sheremet-va could you link the failure? Having a hard time finding it

https://github.com/vitest-dev/vitest/actions/runs/7886477789/job/21519783838?pr=5123

[DylanPiercey]

Oh nevermind I see it (thanks for the link though). So this is an annoying error that we need to fix on the Marko side but it happens when you've got strange hoisting of @babel/types (since Marko patches that module to extend babel with Marko's AST nodes).

Regenerating the lock file and/or ensuring there are no duplicates of @babel/types/@babel/traverse will fix it.

[sheremet-va]

Regenerating the lock file and/or ensuring there are no duplicates of @babel/types/@babel/traverse will fix it.

Ok, I will try that. Thank you.

[DylanPiercey]

@sheremet-va I don't generally use PNPM, but perhaps the dedupe command would do the trick here?

[sheremet-va]

@sheremet-va I don't generally use PNPM, but perhaps the dedupe command would do the trick here?

Looks like it's working, thank you 🙏🏻