[Flaky CI]: Playwright replay flushing test

### Flakiness Type

Assertion failure

### Name of Job

Build & Test / Playwright * Tests

### Name of Test

suites/replay/flushing/test.ts

### Link to Test Run

https://github.com/getsentry/sentry-javascript/actions/runs/4252170291/jobs/7395675270

### Details

diff timing margin might be too narrow 