[Flaky CI]: Playwright bundle_tracing_replay_feedback_logs_metrics_min webkit Tests - suites/errors/fetch/test.ts › handles fetch invalid header name errors @firefox

### Flakiness Type

Other / Unknown

### Name of Job

Playwright bundle_tracing_replay_feedback_logs_metrics_min webkit Tests

### Name of Test

[webkit] › suites/errors/fetch/test.ts:69:11 › handles fetch invalid header name errors @firefox

### Link to Test Run

https://github.com/getsentry/sentry-javascript/actions/runs/33161208915/job/98817010074

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_This issue was automatically created._

Review suites/errors/fetch/test.ts around line 69 and inspect the linked Playwright test run for the failure details. Reproduce the invalid-header-name test and determine a fix that prevents the flake; done means the named test passes reliably in the affected CI job.

Escrito por el modelo de indexación a partir del texto del issue.