Please backport client side changes:

• microsoft/playwright@361038c (feat: rename PageError to WebError (#26913))
• feat(evaluate): serialize map and set playwright#26730
• microsoft/playwright@186f869 (chore: make @playwright/test depend on playwright (#26946))
• microsoft/playwright@a34030b (browser(firefox): support relative paths for firefox videos (#27099))
• microsoft/playwright@527d260 (chore: hide tracing calls from traces (#27096))