Types: Fix coverage type

[JReinhold]

Closes #

What I did

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
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Manual testing

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  MIGRATION.MD

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  Available labels

  • bug: Internal changes that fixes incorrect behavior.
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Summary by CodeRabbit

• Bug Fixes
  • Enhanced Vitest coverage reporter compatibility to accept a broader range of coverage configuration options.

[github-actions]

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ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 3a0a6a2 and 6ee1726.

📒 Files selected for processing (1)

• code/addons/vitest/src/node/vitest-manager.ts

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📝 Walkthrough

Walkthrough

The PR modifies a type assertion in the Vitest manager, widening the coverage options type from ResolvedCoverageOptions<'v8'> to ResolvedCoverageOptions, allowing the reporter to accept a broader range of coverage configuration types.

Changes

Coverage Type Widening

Layer / File(s)	Summary
Type Annotation code/addons/vitest/src/node/vitest-manager.ts	storybookCoverageReporter's coverageOptions parameter type is widened from ResolvedCoverageOptions<'v8'> | undefined to ResolvedCoverageOptions | undefined.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

✨ Finishing Touches

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