test(e2e): clean up temporary files after tests

[chenjiahan]

Summary

Adds cleanup logic to E2E tests, use the test.afterAll hooks to clean up test artifacts.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

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[Copilot]

Pull Request Overview

This PR adds cleanup logic to E2E tests that removes temporary files generated during test runs.

• Adds a test.afterAll hook in the rspack profile tests to remove files beginning with ".rspack-profile".
• Adds a test.afterAll hook in the config inspect tests to remove directories starting with "test-temp" or "dist".

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
e2e/cases/rspack-profile/index.test.ts	Added afterAll cleanup logic to remove temporary rspack profile files.
e2e/cases/config/inspect-config/index.test.ts	Added afterAll cleanup logic to remove directories beginning with "test-temp" or "dist".