[test] Fix flaky `url-hash` tests
[Flakiness metric](https://app.datadoghq.com/ci/test/runs?query=test_level%3Atest%20%40git.repository.id%3A%22github.com%2Fvercel%2Fnext.js%22%20%40test.name%3A%22Client%20navigation%20with%20URL%20hash%20when%20hash%20changes%20with%20state%20when%20passing%20state%20via%20hash%20change%20should%20increment%20the%20history%20state%20counter%22%20%40test.type%3A%22turbopack%22%20%40test.status%3A%22fail%22&agg_m=count&agg_m_source=base&agg_t=count&fromUser=false&index=citest&start=1773314950142&end=1773919750142&paused=false) (for one of them)
Another case where the Playwright upgrade exposed missing `retry`s.
